Tekval Products - Cast Steel gate vales

CAST STEEL VALVES --- GATE VALVE

Valve Specification:

OS&Y,

Rising Stem,

Flexible or Solid Wedge,

Bolted Bonnet,

Welded or Threaded Seat Ring

Pressure Class and Size Range:
ANSI Class	Nominal Size
150	2" to 36"
300	2" to 30"
600	2" to 24"
900	2" to 16"
1500	2" to 12"
2500	2" to 8"

Design and Manufacturing Standards:
Basic Design:	API 600 or BS 1414
Shell Wall Thickness:	API 600
Face to Face Dimension:	ANSI B16.10
Flange End Dimension:	ANSI B16.5 (2" to 24") MSS SP-44 (26" & up)
Butt-Weld End Dimension:	ANSI B16.25
Inspection & Testing to:	API 598

Standard Material List:

Part Name	Carbon Steel			Alloy Steel			Stainless Steel
Body	A216-WCB	A352-LCB	A352-LCC	A217-WC6	A217-WC9	A217-C5	A351-CF8	A351-CF8M
Seat Ring	A105+HF	304	304	F11+HF	F22+HF	F5a+HF	304	316
Wedge Disc	WCB+F6	CF8	CF8	WC6+F6	WC9+F6	C5+F6	CF8	CF8
Bonnet	A216-WCB	A352-LCB	A352-LCC	A217-WC6	A217-WC9	A217-C5	A351-CF8	A351-CF8M
Stem	F6	F304	F304	F6	F6	F6	F304	F316
Back Seat	F6	F304	F304	F6	F6	F6	F304	F316
Bolts	A193-B7	A320-L7	A320-L7	A193-B16	A193-B16	A193-B16	A193-B8	A193-B8
Nuts	A194-2H	A194-4	A194-4	A194-4	A194-4	A194-4	A194-8	A194-8
Gland	F6	F304	F304	F6	F6	F6	F304	F316
Gland Flange	A105	A105	A105	A105	A105	A105	F304	F316
Stem Nut	A439-D2 or A276-410
Packing	Braided Graphite or Die-formed Graphite Ring or PTFE
Gasket	316SS spiral wound with Graphite or PTFE
Handwheel	Ductile Iron

Note:

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