● Design and manufacture conform to
API 602. BS5352. ANSI B16.34;
Connection ends conform to
● Scoket welded ends conform to ANSI Bl 6.1 l ;JB/Tl 751
● Screw ends conform to ANSI Bl .20.1;JB/T7306
● Butt-welded ends conform to ANSI B16.25;JB/Tl 2224
● Flanged ends conform to ANSI Bl 6.5;JB79
Test and inspection conform to
● API598; GB/T13927; JB/T9092
● Bolted bonnet, outside screw and yoke
● Welded bonnet, outside screw and yoke
Materials conform to ANSI/ASTM
● A105; LF2: F5; F11;F22; 304(L); 316(L); F347
● F321:F51 ; Monel; 20 Alloy
Design Standards and Design Features
Design/Inspection standards: API 602, ASME B16.34, ASME B16.5, EN ISO 15761, ASME B16.25, ASME B1.20.1, ASME B 16.11.
● Efficient packing seal at backseat to ensure no leakage from stem.
● Fully guided disc ensures accurate alignment of disc and seat and reduces wear on seating surfaces.
● Outside Screw & Yoke construction facilitate stuffing box maintenance.
● Metallic ring gasket or spiral wound gasket can be applied to ensure the tight seal of body/bonnet joint.
● Versatile styles of discs which can be furnished for different purposes.
|Carbon Steel||Alloy Steel||Stainless Steel|
|1||Body||ASTM A105/STL OVERLAY||ASTM A182-F11/F22/STL OVERLAY||ASTM A182-F304/F316/STL OVERLAY|
|2||Bonnet||ASTM A105||ASTM A182-F11/F22||ASTM A182-F304/F316|
|3||Disc||ASTM A182-F6a||ASTM A182-F6a||ASTM A182-F304/F316|
|4||Stem Nut||ASTM A276-420||ASTM A276-420||ASTM A276-420|
|5||Gland Flange||ASTM A216 WCB||ASTM A216-WCB||ASTM A351-CF8|
|6||Hand Wheel||Ductile Iron||Ductile Iron||Ductile Iron|
|7||Stem||ASTM A182-F6a||ASTM A182-F6a||ASTM A182-F304/F316|
|8||Gland||ASTM A276-420||ASTM A276-420||ASTM A276-304/316L|
|9||Gasket||304SS/Spiral Wound Graphite||304SS/Spiral Wound Graphite||304/316SS/Spiral Wound Graphite|
|11||Packing||Carbon Yarn||Carbon Yarn||Carbon Yarn|
|12||Stud||ASTM A193-B7||ASTM A193-B16||ASTM A193-B8|
|13||Bolt||ASTM A193-B8||ASTM A193-B8||ASTM A193-B8|
|14||Nut||ASTM A194-8||ASTM A194-8||ASTM A194-8|
|15||Handwheel Nut||Carbon Steel||Carbon Steel||ASTM A276-304|
|16||Handwheel Washer||Carbon Steel||Carbon Steel||ASTM A276-304|
|17||Name Plate||ASTM A240-304||ASTM A240-304||ASTM A240-304|