Alliance Industry Limited

Welcome to Alliance Industry Limited !　

YDF

YDF VALVES is comitted to provide high quality industrial valves, creating competitve advantage for our customers. As one of the leading valve manufactures in China, YDF specializes in the development of innovative design, through intensive R&D programs and a commitment to be a good parter of flow control system.

YDF’s main product lines include Ball, Gate, Globe, Check, Butterfly and Power Station valves, size range of 1/2 inch up to 60 inch , pressure rating of 150LB~2500LB , capable material for carbon steel, stainless steel, duplex stainless steel, alloy steel etc., design temperature of -196~ 650 Deg. C, designed in accordance to standard of ASME, ASTM, ANSI, API, GB, BS, JIS and DIN Standard. YDF Valves have been widely used throughout the world in Oil, Gas, Chemical, Refining, Power Generation, Marine, Pipeline Transmission industrial and LNG application. YDF has been certified with ISO9001, ISO14001, OHSAS18001, CE/PED, ATEX, TA Luft/ISO15848-1 low emission, ABS, BV, DNV, CCS, SIL 3,CU-TR ,TS and CNAS(ISO 17025) for approvals.

Engineering

3D molding and finite element analysis - Solid Works & Ansys
Drawing Sketch – AutoCAD software
BOMs & Material become real time – Through the ERP System
Casting Simulation molding &Pouring– Huazhu

Company Qualification

YDF's quality assurance is dedicated to supply zero defect valves to customers with reliable service life. Through YDF's quality compliance, they have achieved the following certifications: ISO9001, ISO14001, OHSAS18001, CE/PED, ATEX, TA Luft/ISO15848-1, ABS, BV, DNV, CCS, SIL 3,CU-TR ,TS and CNAS(ISO 17025).

Special Qualification

WPS&PQR&WPQ certified by TUV (ASME IX and CE/PED)
NDE (RT,MT,PT,UT), Level 2&3 ASNT, Level 1&2 EN475& ISO9712
NACE certified QC for Coating & Painting

Certificate Accreditation

ISO 9001
ISO 14001,OHSAS18000
API 6D
CE/PED
ATEX
API 607&6FA fire safe
API 624
TA Luft/ISO 15848-1
API600
API 591
ABS
BV

End User Approval

Floating Ball Valves

Design Feature:

Soft Seated / Metal to Metal / Fire Safe Tested / Cavity Pressure Relief / Cryogenic / Anti blow proof Stem / Low Emission / Anti-Static

Trunnion Mounted Ball

Valves

Design:

Double Piston / Single Piston / DBB / Soft Seated / Metal to Metal / Anti Blow proof stem / Anti-Static / Cryogenic / Fire Safe Tested / Cavity pressure Relief / Emergency Sealant injection