Knife Gate Valves

 PRODUCT INFORMATION

Production Range

API603/ASME 16.34 API600/BS1414 Class Size Class Size 150 2"~ 12" 150 2"~ 24" 300 2"~ 12" 300 2"~ 16" 600 2"~ 12" 600 2"~ 12" 900 2"~ 12" 1500 2"~ 12"

Design Standards

Pressure-Temperature rating ANSI B16.34 Face to Face Dimensions ANSI B16.10 End Flange Dimensions ASME B16.5 Testing API598/MSS-SP-41 Bonnet Bolt ASTM A193/ ASTM A320 BonbetNut ASTM A194 Marking MSS-SP-25 Light wall Thickness API603/ANSI B16.34 Heavy Wall thickness API 600/ BS 1873

DESIGN FEATURES

Cast stainless steel Body, Gate, Packing Gland and YokeBonnetless,   Rising stem, Non-rising handwheel, Outside screw-and-yoke

Available in sizes from 2" to 24" diameter Meet TAPPl standard 715405-8 and MSS SP-81 bonnetless, flanged, wafer knife gate valves Flanges are drilled and tapped to ANSI B16.5, BS 4504, JlS or DIN. 150 PSI maximum working pressure and 150"F (65'c) maximum working temperature. Special design should be considered for applications outside of these conditions Non-clogging full port design for smooth flow Easy conversion from handwheel to cylinder, bevel gear or electric motor operator with cast yoke. Precision machined gate for superior seating capability Stainless steel stem for corrosion resistance Resilient or PTFE replicable seat available 0-ring resilient seat available Factory installed V-port seat insert available PART LIST AND STANDARD MATERIAL SPEC Standard Material Specifications   NO MATERIALS OF CONSTRUCTION MODEL Part Name MK&RK SERKES MK& RK SERIES 1 Body ASTM A351 Gr. CF(304)St/Stl CF8m (316)St/Stl 2 Disc(Gate) ASTM A240 TP 304 St/Stl 316St/Stl 3 Packing PLFE Impregnated Syntax Yarn (Non-asbestos) 4 Packing Gland ASTM A351 Gr. CF(304)St/Stl CF8m (316)St/Stl 5 Gland Bolt and Nut ASTM A193 Gr. B8 / ASTM A194 Gr. B8(Nyloc) 6 Stem ASTM A479TP 304 St/Stl 7 Disc Bolt and Nut ASTM A193 Gr. B8 / ASTM A194 Gr. B8(Nyloc) 8 Stem Nut Brass or Bronze 9 Yoke ASTM A351 Gr. CF8(304)St/Stl 10 Yoke Bolt and Nut ASTM A193 Gr. B8 / ASTM A194 Gr.8(Nyloc) 11 Thrust Bearing Washer Brass (Sizes 300mm and smaller) 12 Hand Wheel Cast Ductile Iron 13 Wheel Nut AISI 1020 with Cr.PLATE (Nyloc) 14 Set Screw N/A 15 Grease Nipple Assembly 16 Name Plate ASTM A240 TP 304 St/Stl 17 Rivet Aluminium 18 Boy Seat* (MRT) Buna-N 19 Stoper and Nut * (MRT) ASTM A479 Ty. 304 / ASTM A194 Gr.8(Nyloc) 20 Body Seat Ring (MRT) Reinforced PTFE 21 V-Port Body Seat Ring(MRT) ASTM A176 TP 304 St/Stl ASTM A176 TP 316 St/Stl 22 O-Ring*(MOT) Hycar Rubber 23 Seat Retainer (MPT) ASTM A351 Gr. CF8 (304) St/Stl or EQ. CF8M(316) St/Stl or EQ. 24 Wrench Bolt(Mpt) ASTM A193 Gr. B8 25 Bearing Housing ASTM A351 Gr. CF8(304)St/Stl CF8M(316)St/Stl 26 Housing Bolt and Nut ASTM A193 Gr. B8 / ASTM A194 Gr.8 (Nyloc) B8M 27 Thrust Ball Bearing Assembly 28 Sleeve Gland ASTM A351 Gr. CF8(304)St/Stl