spring check valves

Check Valve

The double flapper check valve is the standard part of the coiled tubing string, ZZ TOP supply the coiled tubing tools in high quality.

Fuel Dispenser Angle Check Valve
1. Inlet:BSPF/NPT 1-1/2" or 2"
2. Outlet: BSPF/NPT 1-1/2" or 2"
3. Seals: Buna-N
4. Material: Cast Iron

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...

Piston check valve 800LB Standard Material Specification as following:

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

wafer check valve, swing check valve,double disc check valve

screwed swing check valve,swing check valve screwed

a type straight check valve
Material:Alloy
Pressure:High Pressure
Temperature of Media:Medium Temperature

Rubber disc check valve consists of body,cover and rubber disc

NXH-004
Swing check valve
polished
size:1/2"-4"

leader pressure seal swing check valves drawing
1) The Best Valve Manufacturer
2) Many type valves produce
3) Best service

VU-08 VU-10 VU-12 VU-16 VU-20 VU-25
Burst Pressure:0.05

Bolted, Cover, Swing Type Disc, Threaded of Welded Seat Ring
Standards Compliance:
Basic Design: BS1868

type throttle check valve
Model:stu0400 stu0600 stu0800 stu1200 stu1600

Packing:wooden case;PaymentType:TT;Certificate:ISO9001;

Packing:wooden case;PaymentType:TT;Certificate:ISO9001;

SIZE: 2″-42″
CLASS:150LB-1500LB
MATERIAL: WCB, WCC, WC6, WC9, C5, C12, C12A, LCB, LCC, LC1, LC3, CF8, CF8M, CF3, CF3M, CF8C
Medium: Water, oil, g

Orthogonal check valve directional control valve
model: 03 06 10
maximum pressure(Mpa) 31.5
opening prssure:a(0.05Mpa) b(0.4Mpa)

Milk pump rubber check valve;
Milking pump one-way valve;
Centrifugal pump non-return flap valve
Material:rubber

Our company products, hydraulic coils, hydraulic solenoid coil, hydraulic valve coil are produced according to the ISO9001:2000 standards.

• Meet MSS-SP-80 Standards
• Max. Pressure: 150PSI Steam; 300PSI CWP
• Cracking Pressure .75 To 1PSI
• Temp. Range: -20 To 406 º F

Brass Swing Check Valve
MOQ:5000pcs
Horizontal Type
Sand Blasted Body Forged
Size:1/2"-4"

1. Plastic covers for screw protection
2. No oil leakage in one direction
3. Strong import elastic spring to ensure on or off reliability

API stainless steel check valve
1. Material:CF8,CF8M
2. Std:API.DIN,GB
3.Medium:water, oil, gas

brass check valve

1.Check valve is used for preventing the back-gone of medium in pipelines and equipments.
2.It will open and close automatically by the pressure

INDUSTRIAL VALVES TYPES:
Gate Valve, Globe Valve, Check Valve, Ball Valve and Butterfly Valve.
Forged and Cast Steel Vales from 1/4" to 24"

1. One closure in one direction,100% tested of no oil leakage
2. Threads connections of BSP and Metric option
3. Precise cracking pressures