High Temperature · Pulse · CCC
Cnpnji Plastic Pressure Relief Valve PTFE Membrane IP68 Screw Waterproof Breather Air Vent Plug Cable Gland
US$ 0.19-0.21
/ Piece
50 Pieces (MOQ)
50 Pieces (MOQ)
Product Description
Nylon Air Vent Plug, expertly engineered to resolve pressure differentials in sealed enclosures. Crafted from high-quality
nylon for robust durability and corrosion resistance, it utilizes a unique one-way membrane to efficiently release built-up
gases and moisture while relia
- Zhejiang Mingguan Electric Co., Ltd.
-
5(5.0)
"Fast Delivery"Fast Delivery - Zhejiang, China
- ISO9001:2015
- Contact Now
ISO · Closed · Ordinary Temperature
Piston Type Automatic Quick Safety Pressure Relief Sustaining Valve (GAX742)
US$ 30-300
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Globe Type Double Chambered
Safety Pressure Relief / Sustaining Valve
MODEL NO. : GAX742X
Product Description
Δ The KARFAR model GAX742X safety pressure relief / sustaining valve is popularly used in pipeline system of high-rise buildings, mining industry, pharmaceuticals and foodstuff i
- ZHEJIANG MENCROWN VALVE CO., LTD.
-
- Zhejiang, China
- Contact Now
Water · Low Temperature · Spring
Stainless Steel Pressure Release Safety Relief Reducing Exhaust Regulating Valve (JN-SFT2110)
US$ 43-50
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Stainless Steel Pressure Release Safety Relief Reducing Exhaust Regulating Valve (JN-SFT2110)
A stainless steel sanitary safety valve is a pressure relief device designed for sanitary systems in food, pharmaceutical, and biotech industries. It is made from high-quality stainless steel to ensu
ISO · Closed · Ordinary Temperature
Hydro Control Emergency Open Pressure Sustaining Pressure Relief Valve (GL500X)
US$ 25-300
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Pressure Sustaining / Swift pressure relief/ Emergency Open Valve
MODEL NO.: GL500X
Product Description
Δ Pressure relief valve: This valve releases pressure from the pipeline when the pressure is higher than a preset data by the pilot. It keeps the pressure in pipeline safely below a ce
- ZHEJIANG MENCROWN VALVE CO., LTD.
-
- Zhejiang, China
- Contact Now
ISO · Cast Iron · Adjustable
High Pressure Spring Loaded Safety Relief Valve
US$ 50-2000
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Ref.No
Part Name
Sign of Materials
C
cs
C6
C9
CM
cc
CB
L
1
Body
WCB
WCB
WC6
WC9
WCB
WCB
WCB
LCB
2
Nozzle
304
316
316
316
Monel
H. C
H. B
304
3
Nozzle Ring
CF8M
CF8M
CF8M
CF8M
CF8M
CF8M
CF8M
CF8M
4
Set Screw
304
304
304
304
304
304
304
304
5
Disc
- Wenzhou Safety Import&Export Co., Ltd
-
- Zhejiang, China
- Contact Now
Gas · ISO · Spring
Full or Low Lift Spring Loaded Bronz Pressure Safety Relief Valve
US$ 65
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Full or Low Lift Spring Loaded Safety Relief Valve with Open or Close Bonnet Conform to API 520, ISO 4126
They are tested according to API 527, and marked as per MSS SP-25
1. Construction is as follows
- Full Lift or Low Lift
- For Steam
- Adjusting Set Pressure
- Closed Bonnet or Open Bo
- Vatac Valves Corp.
-
- Zhejiang, China
- Contact Now
Gas · Thread · Spring
Nai-Lok 1/2 Male NPT X Female NPT Relief Valves Compression Tube Ends Stainless Steel 316 Instrument Psv Pressure Safety Valve Cracking Pressure 2500psi
US$ 51.5-82.6
/ Piece
2 Pieces (MOQ)
2 Pieces (MOQ)
Product Description
The NAI-LOK Relief Valve is a high-performance safety valve designed for applications requiring precise pressure control in confined spaces. Its compact design, external adjustability, and robust construction make it ideal for industries such as oil & gas, chemical processing, a
Gas · Thread · Spring
Hikelok 316 Stainless Steel Proportional Spring Adjustable Relief Valve Pressure Safety Valve
US$ 60-150
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Product Name
Proportional Relief Valves - RV2 Series
Material
316 S.S.,316L S.S.
Port Size
1/8" to 1/4",6/8/10/12mm.
Orifice
0.19"(4.8mm)0.25in(6.4mm)
Set pressure
from 10 to 225 psig(0.68 to 15.5 bar).
Working temperature
from -10°F to 300°F( -23ºC to
- Sailuoke Fluid Equipment Inc.
-
- Sichuan, China
- Contact Now
Ordinary Temperature · Brass · Adjustable
Bronze/Brass Pressure Relief Valve
US$ 2-8
/ Piece
50 Pieces (MOQ)
50 Pieces (MOQ)
1/2''-2"-'' Brass Safety valve :
DN
L
L1
H
Product Size
1/2"
52.5
33
165.5
3/4"
61
38
196.5
1"
73.5
45.5
209
11/4"
91.5
56.5
265
11/2"
105.5
65.5
278
2"
130
80
325.5
Product Description
SPECIFICATIONS FOR Manufacture Supplier brass safety valve :
Item
sa
Low Temperature · Thread · Adjustable
RV-01A Pressure Relief Valve/Hydraulic Valve
US$ 9
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
RV-01A pressure relief valve
Air Blower pressure relief valve is installed on the inlet & outlet. When the pressure exceeds the pressure value set by the blower, or the pressure fluctuation amplitude in the blower exceeds the set value, the pressure relief valve will open all
-
What materials are commonly used in manufacturing Pressure Relief Valves?
Pressure Relief Valves are typically manufactured using materials such as stainless steel, brass, or carbon steel. Manufacturers ensure these materials meet strict quality standards to ensure the valve's effectiveness and longevity.
-
How can I find trustworthy suppliers of Pressure Relief Valves in China?
To find reputable suppliers of Pressure Relief Valves in China, search online platforms, attend industry trade shows, and engage with industry-specific directories. Verify supplier credentials, request product samples, and establish reliability assurance before collaborating.
-
What are the advantages of procuring Pressure Relief Valves wholesale?
Procuring Pressure Relief Valves wholesale offers cost savings, bulk quantities, and consistent product quality. Wholesale purchases often come with discounts and customization options, ensuring a steady supply of high-quality Pressure Relief Valves from reliable suppliers.
Water · RoHS · High Temperature
Air Permeability Rapid Pressure Equivalent Relief Air Protective Plastic Breather Valve Plug Nylon Air Vent Valve
US$ 0.26-0.3
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Certifications
Detailed Photos
Nylon Air Vent Plug
Main Component
Cap
PA66
Body
PA66/PC
Nut
PA66
Sealing Element
Insert
NBR ROHS3.0
Washer
NBR ROHS3.0
Permeable Membrane
e-PTFE
Gland Temperature
-40ºC ~ 100ºC , short time to 125ºC
Protection Degree
IP68
Colou
- Zhejiang Mingguan Electric Co., Ltd.
-
5(5.0)
"Fast Dispatch"Fast Dispatch - Zhejiang, China
- ISO9001:2015
- Contact Now
Water · Thread · Spring
3/4 Inch NPT Lead-Free Water Heater Temperature and Pressure Relief Valve
US$ 5.5
/ Piece
1000 Pieces (MOQ)
1000 Pieces (MOQ)
Product Description:
1. Material: Forged Brass (CW617N CW602N C46500 C37000)
2. Size: 1/2" 3/4"
3. Set Pressure: 150PSI
4. Thread: NPT
5. Application: Pressure safety relief valves
6. Installation: Vertically Or Horizontal Installation
7. Connection standard: ANSI/ASME STANDARD B1.20.1
8.
Open · Stainless Steel · ISO
Stainless Steel High Purity Clamped Pressure Safety Relief Over Flow Valve (JN-SV 1001)
US$ 10-40
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Stainless Steel High Purity Clamped Pressure Safety Relief Over Flow Valve(JN-SV 1001)
The safety valve is used to used to keep the set pressure in the system. When the system pressure is
higher than set pressure, valve open to reduce the pressure.
Features
The safety relief (release) val
- Zhejiang Ezo Fluid Equipment Co., Ltd.
-
- Zhejiang, China
- Contact Now
ISO · Stainless Steel · Flange
Spring Loaded Low Lift Type High Pressure Safety Relief Valve
US$ 1
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Spring Loaded Low Lift Type High Pressure Safety Relief Valve
Product Description
A41H Spring Loaded Low Lift Safety Valves opening height is between one twentieth to one fortieth times of the flow diameter.
1.In low lift safety valves, the disc only lifts a distance of 1/24th of the bore di
- Goole Valve technology Co., Ltd.
-
- Zhejiang, China
- Contact Now
Ordinary Temperature · Stainless Steel · Adjustable
Factory Direct Supply China Factory Customized Industrial Manufacturer Customized Size Electric Valve Flange Pressure Relief Valve Relief Valve
US$ 243-5629
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Diaphragm-type Safety Relief Valve
Product Name
Diaphragm-type Safety Relief Valve
Nominal Diameter
DN25~DN200
Nominal Pressure
1.0-40.0Mpa
Applicable Temperature
-20°C-196°C
Applicable Media
Gas,Oil,Water,etc
Material
CF8
Please contact us for the detailed
- Top Valves Manufacture(Nantong) Co., Ltd.
-
- Jiangsu, China
- ISO9001:2015
- Contact Now
Ordinary Temperature · Stainless Steel · Adjustable
Food Grade Stainless Steel Manual Air Pressure Relief Tri Clamp Sanitary Safety Valve
US$ 35-50
/ pieces
1 pieces (MOQ)
1 pieces (MOQ)
Quality guarantee of 13 Month
ISO 9001, FDA, SGS approved materials
7-10 days fast delivery on urgent requirements
12 years' Rich exporting experience to make you easy and happy with custom work
Product Description
Focus on R&D And Manufacturing on Sanitary Safety Valve
-1
Thread · Adjustable · Closed
Cast Copper Pressure Relief Safety Valve for Steam Gas Water
US$ 0.5-15
/ Piece
300 Pieces (MOQ)
300 Pieces (MOQ)
3/4''-2"-'' Brass Safety valve : Cast Copper Pressure Relief Safety Valve for Steam Gas Water
Spec
Dia
Pressure
A
B
3/4"FF
20
88.5
119
19
1"FF
25
90
124
24
1-1/2"FF
40
103
151
32
2"FF
50
112
175
37
Why Choose Us
We are factory and International trading company
Impor
Clamp · CCC · Spring
Food Grade Stainless Steel Sanitary Safety Pressure Relief Valve Full Lift Open Safety Valves Steam Boiler Safety Valve
US$ 69
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
The safety valve is suitable for equipment or pipelines with steam, air and other media whose working temperature is less than 350 degrees. When the pressure of the equipment or pipeline exceeds the allowable value, the valve will automatically open and discharge the full amou
- Henan Taiguo Boiler Group Co., Ltd
-
- Henan, China
- Contact Now
CCC · Flange · Spring
Twin Spring Type Safety Valve -Pressure Safety Relief Valve
US$ 268
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Twin Spring Type Safety Valve
Spring safety valve refers to depend on the elasticity of the spring pressure and valve valve or plunger seal lock, once when the abnormal pressure vessel pressure produced by high pressure will overcome the relief valve spring pressure, so the lock is open, forming
Closed · Stainless Steel · CE
Food Grade Safety Pressure Relief Valve Pressure Reducing Valve Overflow Valve
US$ 100-480
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Manual Stainless Steel Sanitary Pressure Safety Valve Over Flow Valve
Specification:
Product Name:
Manual Stainless Steel Sanitary Pressure Safety Valve Over Flow Valve
Valve Body Material:
SS304 or SS316L
Seal Material:
EPDM, NBR, FPM
Max. Working Temperature:
120 degree C
Available si
- Donjoy Technology Co., Ltd.
-
5(5.0)
"On-time Delivery"On-time Delivery - Zhejiang, China
- ISO45001:2018, ISO14001
- Contact Now
Flange · Adjustable · Closed
Wholesale Custom Piston-Type Pressure Relief Valve for DN50 with Adjustable Pressure, Flange, and Closed Structure
US$ 3091-8243
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Piston-type Pressure Relief Valve
Product Name
Piston-type Pressure Relief Valve
Nominal Diameter
DN500~DN800
Nominal Pressure
1.0~1.6Mpa
Applicable Temperature
0~120°C
Applicable Media
Water,Oil,Gas,etc
Materials
Gray Cast Iron,Ductile Iron,Cast Iron
Please con
- Top Valves Manufacture(Nantong) Co., Ltd.
-
- Jiangsu, China
- ISO9001:2015
- Contact Now
Closed · Brass · ISO
Brass 2" Pressure Relief Preduceing Safety Valve
US$ 1
/ Piece
1000 Pieces (MOQ)
1000 Pieces (MOQ)
Brass 1" Pressure Relief Reducing Safety Valve :
Size
B
D
H
L
1/2FF
15
19
62
128
3/4"FF
20
24
74
128
1"FF
25
31
90
158
Why Choose Us
We are factory and International trading company
Imported Advanced Machineries manufacture high- performance products.
3. More
Semi-Closed · Stainless Steel · ISO
Stainless Steel Adjustable High Pressure Compression Ends 6000 Psi Proportional Safety Relief Valve
US$ 58.2-85.8
/ Piece
2 Pieces (MOQ)
2 Pieces (MOQ)
Product Description
NAI-LOK® RV Series Proportional Relief Valves - Reliable Overpressure Protection
NAI-LOK® RV Series proportional relief valves provide simple, reliable overpressure protection for industrial applications. Designed to open gradually as pressure increases, these valves he
Water · Thread · Spring
3 Bar Fxf Safety Pressure Relief Valve
US$ 2.38
/ Piece
1500 Pieces (MOQ)
1500 Pieces (MOQ)
Product Description:
1. Material: Forged Brass (CW617N)
2. Size: 1/2"
3. Set Pressure: 3 Bar
4. Thread: ISO228, ISO7/1
5. Application: Water Supply 600WOG solder ball valve
6. Installation: Vertically
7. Connection standard: GB/T18742.3 / DIN8077/8078
8. Package details: Each valve by one
ISO · High Temperature · Open
Spring Loaded Flange Carbon Steel Pressure Relief Control Safety Valve
US$ 8-100
/ Piece
20 Pieces (MOQ)
20 Pieces (MOQ)
Product Description
Description:
Safety valve is pressure equipment, containers and pipelines the best overpressure protection device, when the media pressure exceeds the allowable value, the safety valve automatically open, then the full amount of emissions, to prevent the pressure contin
- Yuming Valve Group Co.,Ltd
-
- Henan, China
- ISO9001:2015, ISO45001:2018, ISO14001
- Contact Now
Water · Thread · Spring
Reducing Bronze Pressure Relief Valve with Lever
US$ 7.75
/ Piece
1000 Pieces (MOQ)
1000 Pieces (MOQ)
Product Description:
1. Material: Forged Brass (CW617N)
2. Size: 1/2"
3. Set Pressure: 6 Bar
4. Thread: ISO228, ISO7/1
5. Application: Water Supply 600WOG solder ball valve
6. Installation: Vertically
7. Connection standard: GB/T18742.3 / DIN8077/8078
8. Package details: Each valve by one
Water · Brass · Low Temperature
Brass Safety Valve Pressure Relief Valve 3bar Combi Boiler Pressure Relief Valve
US$ 1.8-2.5
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
Product Description Specification Application Household Power Source Gas Place of Origin China Shanghai Type Gas Water Heater Parts Operating Language English Brand Name BINGO Model Number SVB-01-Q16Q20 Type Pressure Reducing Control Valves Application Gas boiler Material Brass Product name Boiler p
Water · Low Temperature · Spring
Sanitary Stainless Steel Adjustable Air Pressure Vacuum Safety Relief Valve
US$ 20-90
/ Set
10 Sets (MOQ)
10 Sets (MOQ)
Product Name: Sanitary Stainless Steel Adjustable Air Pressure Vacuum Safety Relief Valve Material: SS304 316L Size: 3/4"-2 1/2", DN20-DN50 Connection Mode: Welded,clamped,threaded Gasket/Seal: EPDM,SILICONE Working Principal: NONE Max Pressure: 10bar Working Temperature: -10°C to +120°C Standard: D
- Quzhou KingGo Machinery Co., Ltd.
-
- Zhejiang, China
- Contact Now
ISO · High Temperature · Open
Safety Valve Steam Carbon Steel Wcb Pressure Relief spring Loaded
US$ 8-100
/ Piece
20 Pieces (MOQ)
20 Pieces (MOQ)
Product Description
Description:
Safety valve is pressure equipment, containers and pipelines the best overpressure protection device, when the media pressure exceeds the allowable value, the safety valve automatically open, then the full amount of emissions, to prevent the pressure contin
- Yuming Valve Group Co.,Ltd
-
- Henan, China
- ISO9001:2015, ISO45001:2018, ISO14001
- Contact Now
Low Temperature · Thread · Adjustable
Pressure Relief Valve/Series Relief Valve
US$ 9
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
RV-01A pressure relief valve
Air Blower pressure relief valve is installed on the inlet & outlet. When the pressure exceeds the pressure value set by the blower, or the pressure fluctuation amplitude in the blower exceeds the set value, the pressure relief valve will open all
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