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Noties
1. The sizes of serial valve connecting flange ends can be designed according to customer's requirement.
2. DN>1000(40"), the design standard is accordance with「Specification of the length pipe valve」
Technical Specification
- Design Standard : API 6D Notes
- Face to Face : API 6D / ASME B 16.10
- Flanged Size : ASME B 16.5
ASME B 16.47
- Test & Inspection : API598 / API 6D

Ball :
The Material of this part about the anti-sulphur type valve is ASTM(A182-304+Ni.P)

Stem :
The material of this part about the anti-sulphur type valve is ASTM(A276-321) Major parts of the valve series and materials of sealing surface differ according to actual working condition and customer's special requirement.