Fisher 657 Spring-Opposed Diaphragm Actuator Size 60 0.2 to 1.0 bar (3 to 15 psig)

657-60-3-15

Fisher 657 direct-acting spring-opposed diaphragm actuator, Size 60, 0.2 to 1.0 bar (3 to 15 psig) spring range, 51 mm travel, 1006 cm2 effective diaphragm area. 1-year warranty with wholesale bulk pricing and fast global shipping.

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The Fisher 657 direct-acting diaphragm actuator (Size 60, 0.2 to 1.0 bar (3 to 15 psig)) features a molded diaphragm in a deep casing for excellent linearity, high thrust capability, and rugged thick-walled cast iron or steel construction. Its split-block stem connection provides solid motion transfer for accurate valve positioning.

Key Features

  • Effective diaphragm area 1006 cm2, 51 mm travel
  • Temperature range -40 to 82 C standard, to 149 C with silicone diaphragm
  • Direct-acting, spring-opposed design for fail-safe positioning
  • SIL3 capable, certified by exida
  • Top- and side-mounted handwheels available
  • Rugged thick-walled cast iron and steel construction

Full Configuration Details

Complete Ordering Code:
657
Actuator Specifications
Size
Actuator Size
Size 60
Spring
Spring Range
0.2 to 1.0 bar (3 to 15 psig)
Area
Effective Diaphragm Area
1006 cm2
Travel
Maximum Travel
51 mm
Thrust
Max Allowable Thrust
30246 N
Action
Action
Direct-acting
Temp
Temperature Range
-40 to 82 C (standard)
Conn
Signal Connection
1/4 NPT internal

Wholesale Pricing, Genuine & In Stock

Bulk and OEM pricing on Fisher 657 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.

Request a Quote

Email: sales@gt-exim.com  |  WhatsApp: +86 17719526488

Full Configuration Details

Complete Ordering Code:
657
Actuator Specifications
Size
Actuator Size
Size 60
Spring
Spring Range
0.2 to 1.0 bar (3 to 15 psig)
Area
Effective Diaphragm Area
1006 cm2
Travel
Maximum Travel
51 mm
Thrust
Max Allowable Thrust
30246 N
Action
Action
Direct-acting
Temp
Temperature Range
-40 to 82 C (standard)
Conn
Signal Connection
1/4 NPT internal

Documents

Manuals: