Stop Diaphragm Valve

Model / MPN: D661-1220 | NSN: 4820-01-135-2925

A valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see valve, y.

Product Details

NATO Stock Number

4820-01-135-2925

Sold in multiples of

1 EA

DEMIL

Bonnet Type

Inside screw

Bonnet Attachment Method

Threaded

Maximum Operating Temp

200.0 degrees fahrenheit single response

Connection Style

Plain (tube) 1st end

Valve Operation Method

Manual

Connection Type

Unthreaded internal tube 1st end

Maximum Operating Pressure

500.0 pounds per square inch single response

Outside Diameter Tube Accommodated

0.250 inches 1st end

Material

Copper alloy body

Material

Plastic polyamide seat

D661 Series Parts

Pricing and Availability

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D661-1220 Cross Reference

A-14838