General Description:
API 603 series stainless steel valve contains Gate, Globe & Check valve. This series of valve wall thickness is designed as per ANSI B16.34, cost effective and light weighted compare with conventional API 600 valve. It is widely used in Chemical and food plant. Special design include extended bonnet for cryogenic service.

Design Standard:
Basic Design: API 603, ASME B16.34
Face to Face: ANSI B16.10
End Connection: ANSI B16.5, MSS SP-44/ASME B16.47：
Test & Inspection: API 598

Design Feature:
The products are all made of precision investment casting, containing PTFE gaskets and fillers, and one-piece body seats, with rising stems and flexible wedges.

Application:
Used in general industry, food factory and petrochemical.