Item # 7921G4Y, Multimite® 7921 Series 4-Way Valve On Circle Valve Technologies Inc.

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All Categories > Hoke® Valves > Ball Valves > Multimite® 79 Series 4 and 5-Way Trunnion Ball Valves > Item # 7921G4Y


	Item # 7921G4Y, Multimite® 7921 Series 4-Way Valve
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Developed for high pressure, side-loading applications, the 316 stainless steel trunnion is supported and held securely in position by two composite bearings. Encapsulated Nylatron® seats provide a positive seal, resulting in leak-tight sealing between all ports to 6000 psig differential, reducing operating torque and increasing cycle life. The handle points to the side port in use; when perpendicular to the side ports, it indicates the shutoff position.

Unit of Measure: Imperial Metric Both

Specifications · Typical Applications · Features & Benefits · Materials of Construction

Specifications

Series		7921

Type		Ball Valve

Body Style		4-Way

Body Material		316 Stainless Steel

Seat Material		Nylatron®

Seat Washer Material		Viton®

Inlet		1/4" Gyrolok®

Outlet		1/4" Gyrolok®

Max. Operating Pressure		6000 psig 414 bar

Temperature Range		0 to 250 ºF -18 to 121 ºC

Orifice Size		4.2 mm 0.166 in

Flow Coefficient (Cv)		0.47

Typical Applications

Actuator cycling
Pressure selecting and venting
Alternate sampling and distribution

Features & Benefits

Blowout-proof stem for added safety
Spring-loaded detent engages every 90º to indicate full port position, increasing operator confidence.
Trunnion bearings eliminate galling, increasing valve life and reducing cost of ownership.
A wide variety of HOKE Gyrolok® end fittings or pipe fittings provide the correct fitting option for the application.

Materials of Construction

	Description	2000 PSIG Models	6000 PSIG Models
1	Body	316 stainless steel	316 stainless steel
2	Trunnion	316 stainless steel	316 stainless steel
3	Stem	316 stainless steel	316 stainless steel
4	Stem packing†	Viton®	Viton®
5	Stem bushing	316 stainless steel	316 stainless steel
6	Seats	TFE	Nylatron®
7	Seat retainers	316 stainless steel	316 stainless steel
8	Seat washers†	Viton®	Viton®
9	Thrust washer	Rulon®	Nylatron®
10	Friction & wave washers	Nylon & 302 stainless steel	Nylon & 302 stainless steel
11	Spring & ball detent	302 stainless steel & 440 CSS	302 stainless steel & 440 CSS
12	Bearings	TFE	Nylon/TFE (fiberglass filament wound backing)
13	Handle	Nylon	Nylon

† Other elastomers are available upon request. Contact your local distributor.

MORE IMAGES


	· Hoke Ball Valve Multimite® 79 Series Dimensional Drawing

	· Panel Mounting Dimensions

DOWNLOADS


		Pressure vs Temperature Curve (GIF, 15KB)

		Flow Diagrams (GIF, 11KB)

		Hoke 79 Series Catalog (PDF, 176KB)

		Hoke Ball Valve 79 Series Drawing (JPG, 77KB)

		Technical Data (JPG, 72KB)

Item # 7921G4Y, Multimite® 7921 Series 4-Way Valve

Series

Type

Body Style

Body Material

Seat Material

Seat Washer Material

Inlet

Outlet

Max. Operating Pressure

Temperature Range

Orifice Size

Flow Coefficient (Cv)