High pressure butterfly valve,Bidirectional seal butterfly valve.Fire safe butterfly valve

Coosai butterfly valve provide a variety of types to meet different face to face dimension.Such as wafer type,Lug type,Falnge type.

ring joint type and Butt weld type.it is suitable for acid,alkali and other corrosive medium with both high and low temperature due to wide material selelction.Especiallu in large-diameter butterfly valve ,It is continuously replacing the shut off valve such as gate valve and ball valve with its's advanvantage of zero leakage, Meanwhile it is also continuously replaceing the regulating valves.Such as globe valve with it's excellent performance in regulation and control.

Design features:

1: Triple eccentric / Double eccentric/ Center line design

2: Metal seat / Laminated seat / Soft seat/PTFE or EPDM lining

3: High performance butterfly valve

4: Provides fire safe sealing ,which combines a soft seal ring and metal seal ring

5: Mounting flange dimension according ISO 5211 standard or client special request.

Technique specification:

Nominal Dimension:2”- 240”

Nominal Pressure:Class 150-900

Connection type: BW,RF,RTJ. FF

Forged/Casting Material: GGG40/50 with coating, SS, DSS, CS, LTCS, Inconel ,Monel,Alloy steel,Aluminum Bronze

Operation type: Manual, Electric Actuator, Pneumatic Actuator, Hydraulic actuator

Main standard

Design Standard: API 609, ASMEB16.5

Face to Face Standard: ASME B16.10

Connection standard: ASME B 16.5

Test & Inspect Standard:API 598

Company Introduction

Coosai a specialized valve manufacturer which has 30 years’ experience in the design and manufacturing of quality engineered valves.

Coosai has a sound organization structure, professional technical capacity, advanced manufacturing and testing equipment, rigorous quality control system and well trained service staff. There is a real technical proficiency at Coosai with an organization to produce and supply valves according to any specific requirements the customer may ask.

Coosai workshops cover an area of 12000 square meters. Total registered asset is RMB 80 million. Besides ISO9001:2008 quality management and QC system, Coosai has the capability in offering varied products by virtue of over 100 sets large scale CNC lathes, testing equipment and computerized control valve testing and calibration bench. Nondestructive testing equipment include PT,UT,MT and RT are available.

Coosai produces quality Ball Valve, Gate valve, Globe valve and Check Valve, Knife gate valve and Segment Ball Valve, Control valves and Butterfly Valves. Valve size from 1/2”—60”,pressure from 150LB-2500LB,temperature range from -196ºC to 610 ºC, connected with manual, pneumatic, electric, hydraulic operator etc.

Coosai valves are CE PED 97/23/EEC, API 6D-0749, API6A-1199,API607 (fire safe) and TS certified. Coosai is Tier One supplier for SINOPEC and CNPC.

Coosai is dedicated to offering the best configuration and satisfy client’s expectations and their eventual commitments.

We look forward to meeting all distinguished clients and industry experts and sincerely welcome all your valuable inquiries.