Figure 60 Knife Gate Valve

HEAVY DUTY cast ductile iron split body and yoke for the most rugged service.

Replaceable natural rubber seat provides a BI-DIRECTIONAL BUBBLE TIGHT SEAL across gate from 0 to 150 PSI.

Optional EPDM and Buna seats also available.

Resilient seat is flush with the bottom of the port ELIMINATING any pockets in the bottom of the valve to collect material in media such as slurries, pellets or powders.

Resilient seat has a molded-in steel reinforcement and is bolted in place to prevent it from being shifted out of position by gate movement.

Full packing seal around gate to prevent packing leakage.

Enclosed brass stem bushing provides reduced operating torque and protection of stem bushing from harsh environments.

Resilient seat replacement is quick and easy.

Full port ID.

Machined stainless steel gate for corrosion resistance and durability.

Available in sizes from 2" to 16" diameter.

Meets MSS-SP-81 face to face dimension and flange dimensions.

150 PSI working pressure.

Exterior and interior of entire valve coated with a heat activated powder coating.

SPECIFICATIONS

MATERIALS OF CONSTRUCTION
1	Gate	SS
2	Body	DI
3	Seat	Buna
4	Bolts	Plated
5	Packing	TFE impregnated
6	Gland	DI
7	Stem	SS
8	Yoke	DI
9	Stem Nut	Brass
10	Handwheel	DI

DIMENSIONS (inches) and WEIGHTS
SIZE		2	3	4	6	8	10	12	14	16	18	20	24
FACE TO FACE	A	1 7/8	2	2	2 1/4	2 3/4	2 3/4	3	3	3 1/2	3 1/2	3 1/2	4
FLANGE DIAMETER	B	6	7 1/2	9	11	13 1/2	16	19	21	23 1/2	25	27 1/2	32
BOLT CIRCLE	BC	4 3/4	6	7 1/2	9 1/2	11 3/4	14 1/4	17	18 3/4	21 1/4	22 3/4	25	29 1/2
INSIDE DIAMETER	ID	2	3	4	6	8	10	12	14	15 1/2	17 1/4	19 1/4	23 1/4
NUMBER OF HOLES		4	4	8	8	8	12	12	12	16	16	20	20
HOLE SIZE, TAP NC		5/8	5/8	5/8	3/4	3/4	7/8	7/8	1	1	1 1/8	1 1/8	1 1/4
CENTER TO TOP--CLOSED	C	16 1/4	14 1/4	16 1/4	20 1/8	24 1/4	28 1/2	34 1/2	40	40 3/8	47 3/8	51	60 1/2
CENTER TO TOP--OPEN	D	19 1/2	17 1/2	20 1/2	26 1/2	32 1/2	38 3/4	47	54 1/4	55 3/4	64 1/2	69	82 3/4
HANDWHEEL DIAMETER	E	8	8	10	12	14	16	20	24	24	24	24	24
YOKE WIDTH	F	5	5	6	6 5/8	6 5/8	7 1/4	7 1/2	8 1/4	8 1/4	8 3/4	9 1/2	10 1/2
WEIGHT--LBS		20	29	46	75	118	180	295	345	455	545	800	1050

Normally supplied with handwheel for manual operation but can be modified for lever, chain, bevel gear, electric, hydraulic or pneumatic operation.
See Valve Operators for details.