Fisher 667 Spring-Opposed Diaphragm Actuator Size 87 0.4 to 2.0 bar (6 to 30 psig)
Fisher 667 reverse-acting actuator, Size 87, 0.4 to 2.0 bar (6 to 30 psig). High thrust capability, molded diaphragm, rugged cast iron/steel construction. Genuine, ready stock, bulk pricing available.
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The Fisher 667 is a reverse-acting, spring-opposed diaphragm actuator that positions a control valve plug in response to a varying pneumatic output signal. This Size 87 unit with a 0.4 to 2.0 bar (6 to 30 psig) spring range provides 76 mm of travel, a 1419 cm2 effective diaphragm area, and up to 39142 N of maximum allowable thrust for dependable throttling or on-off control.
Key Features
- Molded diaphragm, deep casing for excellent linearity
- Temperature range -40 to 82 C standard, to 149 C with silicone diaphragm
- Maximum allowable thrust 39142 N
- SIL3 capable, certified by exida
- Reverse-acting, spring-opposed design for fail-safe positioning
- Split-block stem connection for solid motion transfer
Wholesale Pricing, Genuine & In Stock
Bulk and OEM pricing on Fisher 667 diaphragm actuators, all 100% original and brand new. Ready stock, 48-hour dispatch, and a full 1-year warranty. We quote volume orders within 12 hours.
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Email: sales@gt-exim.com | WhatsApp: +86 17719526488
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