double check valves

Check valve is used to prevent the meida flowing back in the pipeline.
Bottoml Valve,size:1/2"to 4"

Brass Check Valve
Single Check Valve
SIZE: 15MM ; 22MM ; 28MM
Payment term:T/T, or L/C at sight
Delivery time:Within 25 days

natural gas API check valve
1.Design standard acc.to API 6D
2.Manufactured API6D, ASME B 16.34
3.Can assembled with hammer

pneumatic valve, air cylinder, pneumatic component
Material:Stainless Steel
Size:1/2" 3/4" 1" 5/4" 3/2" 2"
Working Medium:gas ,water,oil

Nomical Pressure:1.6MPa
Working Medium:Water,Non-corrosive liquid
Working Temperature:-20℃≤t≤150℃
Pipe thread to ISO228(DN15-DN50)/ISO7

Min. Order:1 PC;Packing:PLYWOOD CASE;Transportation:by air,by vessel;PaymentType:T/T, L/C;Trademark:JD & JDBV & OEM;Certificate:ISO9001,ISO2000,CE

Brass check valve parts for plumbing system
Materials include brass,steel,stainless steel,aluminium
ISO 9001-2008 Certified

1. steel pilot check valves;
2. for lock hydraulic cylinder underload;
3. up to 350 bar;
4. Zero leakage, 100% tested

Swing check valve 800LB, 900LB-----1500LB
Standard Material Specification as following:

Brass Spring Check Valve With Filter/ brass body SS 304&316 filter , plastic pin Material: MS58, CW617N, CuZn40Pb2, CZ132 , HOT STAMPING/ FORGING

JIS Swing Check Valve
1. Design and manufacture according to JIS B2074 B2084. 2. Disc is swivel and lifting, available to install it at port condit

Brass Vertical Spring Check Valve with Plastic or Brass Spindle.
MOQ:5000 pcs
Heavy Weight Model
Italy Type
Size:1/2"-4"

Good quality and competitive price,price quality is high
Fast delivery time,fit for world market
Strong pack and good service

pneumatic dual check valve
1.Nominal diameter:20,25,32,40 mm
2.Pressure regulating range: 6.3;16;25;31.5MPa

Features:
-Leakage-free closure in one direction
-5 cracking pressures
-For threaded connection(screw-in connection)
-Subplate mounting

We are a very professional and big-scale enterprise that mainly manufactures brass manifolds, brass ball valve, brass radiator valve, brass angle valv

Manufacturer in Check Valve
1. Suitable for plumbling
2. High quality, low price
3. OEM request welcome
4. RoHS approval

1. Standard design for mounting
2. Sandwich assembly, easily replacement
3. Three service ports, option

The valve is a thin non-return valve, it has a simple structure, beautiful appearance, light weight, convenient installation.

Spring Check Valve
H-10105
SIZE:1/2" 3/4"
HS CODE:8481804090
Medium: Water

CHECK VALVE IS USED TO PREVENT THE MEIDA FLOWING BACK IN THE PIPELINE.
BODY: BRASS
NET:STAINLESS STEEL

Nomical Pressure:1.6MPa
Working Medium:Water,Non-Corrosive liquid(not include oil),Saturated stream
Working Temperature:-20℃≤t≤110℃

Forging and stamping brass vertical check valve

Min. Order:1 PC;Packing:PLYWOOD CASE;Transportation:by air,by vessel;PaymentType:T/T, L/C;Trademark:JD & JDBV & OEM;Certificate:ISO9001,ISO2000,CE

The valve which is called stop check unit valve ,which is used for screw compressor.
The function is suction &discharge gas .

HV-CV07
Original No :Kn23000
KN23000 :1/2" PT, KW2966/1, 227871, APSA2099-2
KN23010 :3/8" PT, KW4455/1, 227870
KN23040: 3/4" PT...

1. throttle check valve;
2. working pressure up to 400bar;
3. BSP (DIN ISO 228) thread;
4. burst pressure 0.5bar;
5. heat treated needle.

455 BRONZE LIFT CHECK VALVE
DN15-DN50
PRESSURE RATING:PN20
WORKING MEDIUM:WATER,OIL,STEAM
WORKING TEMPERATURE:T<=110

5. Class 600 Cast Steel Check Valve
Bolted, Cover, Swing Type Disc, Threaded of Welded Seat Ring
Standards Compliance:
Basic Design: BS1868

Brass Check Valve Compression End
MOQ:3000pcs
Brass Forged Body
Size:1/2"-2"