API High Pressure Flapper Type of Dart Type Flowline Check Valve

• After-sales Service: Online Support
• Warranty: 1 Year
• Manufacturing Process: Forging
• Model NO.: check valve
• Surface Treatment: Spray-Paint
• Operation Pressure: 3000~15000psi
• Material: Alloy
• Processing Standard: 6A
• Nominal Diameter: 2", 3"
• Product Specification Levels: Psl1-3
• Performance Requirement: Pr1-2
• Material Class: AA-Ee
• Transport Package: Plywood Box
• Specification: as your request
• Origin: China
• HS Code: 84314310
• Production Capacity: 50000 Sets/Year

Product Description

Product Description

Check Valve

Check Valves are installed in high pressure lines to stop reverse flow by the automatic close of flapper or dart.

Flapper check valves include top-entry check valves and in-line flapper check valves, which allow fluids to flow towards the wellbore and prevent flowing backwards. For dart check valves, the flow will open the dart by overcoming the small spring force.

When the flow runs in opposite direction, the spring will push the dart against the seat retainer to prevent reverse flow.

We provides both standard and reverse-flow check valves. And we have also developed check valves for sour service in accordance with NACE MR0175.

• Check valves are suitable for isolating completion fluid, high pressure processing and rig equipment repairing.
• The surface of valve internal baffle is covered with nitrile-butadiene rubber to extend life.
• The thread and the joint of ball face adopts America standard.
• The valve is casted by hard alloy steel and adopts union connection.

Technical Parameters

Product Name	High pressure check valve
Material Class	AA-EE
Working Media	Crude oil and natural gas
Processing Standard	6A
Working Pressure	3000 ~ 15000psi
Processing Type	Forge
Performance Requirement	PR1-2
Product specification level	PSL1-3
Nominal Bore Diameter	2", 3"
Connection Type	Union, BOX thread, Pin thread
Types	Flapper, Dart

 

 

 

 

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FAQ

How to order?

Please send us your inquiry with detail item description or with Model number.
If there is no packing demand we take it as our regular exported standard packing.
We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
You send us your detail requirement, we provide quotation to you.

Can I expect a quality products?
All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.
 
The information you may like to know before Payment:
 
1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight
 
2. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
 
3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.