Pressure Seal Gate Valve Factory – Welded End Flat Gate Valve,WCB,CF8,CF3,CF8M,CF3M,LCB,LCC,LC1,high pressure,PSB,BW – UNIQUE

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Pressure Seal Gate Valve Factory – Welded End Flat Gate Valve,WCB,CF8,CF3,CF8M,CF3M,LCB,LCC,LC1,high pressure,PSB,BW – UNIQUE Detail:

Technical parameters and characteristics

Product Flat Gate Valve
Nominal diameter 2″ - 48″ DN50 - DN1200
Design temp.  -196℃ - 593℃
Design pressure class 150 - 1500  PN16 - PN250
Material A216 WCB, WCC; A217 WC6, WC9, C5, C12A; A352 LCB, LCC;
A351 CF8, CF8M, CF3M, CF8C, CN3MN, CK3MCUN, CN7M;
A890 4A(CD3MN), 5A(CE3MN), 6A(CD3MWCuN);
ASTM B 148 C95800, C95500
Design standard API 6D
Face to Face ASME B16.10 EN558 series
Connection end RF, RTJ, BW EN1092 series
Test standard API 598, ISO 5208 EN12266-1
Operation Hand wheel, bevel gear, electric-AUMA, Rotork, pneumatic
Application Power station, petroleum, tap water engineering, chemical engineering
Feature 1 Single Disc
Feature 2 Double Disc
Feature 3 SOFT seal: fire safe, double sleeve sealed, double block & bleed, self cavity relief, emergency sealant injection, diversion hole design.
Feature 4 Metal seal: double sleeve sealed, hard seat seal, double block & bleed, self cavity relief, diversion hole design.

Main Features

1) The seat ring uses the floating seat ring structure with O-seal ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed, and the open-close moment with this structure is 1/2 that of the common valves only, able to lightly open and close valve.
2) When fully opened, the valve’s channel is smooth and linear,with an extremely small flow resisting coefficient and no pressure loss ,and the pipeline can be cleaned with hair-ball through it .
3) Automatic removal of the high pressure in the internal cavity when the valve is about to close so as to ensure safety.
4) Fully sealed structure leaves a good protective property, suitable for the requirement of 24-hour duty.


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Our products are broadly regarded and reliable by end users and can meet up with constantly transforming financial and social requires of Pressure Seal Gate Valve Factory – Welded End Flat Gate Valve,WCB,CF8,CF3,CF8M,CF3M,LCB,LCC,LC1,high pressure,PSB,BW – UNIQUE , The product will supply to all over the world, such as: Kuwait, Honduras, Jamaica, We hope we can establish long-term cooperation with all of the customers. And hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you need!
This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
5 Stars By Ella from Hongkong - 2017.01.28 18:53
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
5 Stars By Ingrid from Libya - 2018.09.21 11:01
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