K2003 / M1174B – 3/4" Pulse Valve Diaphragm Repair Kit (Star Diaphragm + Spring)

K2003 / M1174B – 3/4" Pulse Valve Diaphragm Repair Kit (Star Diaphragm + Spring)

Description

3/4" diaphragm repair kit for dust-collector pulse valves using the 5-bolt, star-pattern diaphragm. This kit restores sealing and response on 20-series bodies (remote/direct pilot). Match by kit part numbers below—do not rely on valve casting alone.

Technical Specifications

• Kit Type: Star-shaped diaphragm with center plate + coil spring
• Port Size: 3/4" (20 series)
• Bolt Pattern: 5-bolt cover
• Materials: Buna-N (NBR) diaphragm, nylon center, stainless-steel spring
• Use Case: Pulse-jet baghouse/collector valves (remote or direct pilot, per model)
• Typical Service: Compressed-air dust control; periodic maintenance item

Interchangeable / Replacement Part Numbers (exact IDs on the kit)

• Primary Kit PN: K2003

• Legacy/Old PN: M1174B
  (These are the kit identifiers. Numbers like “RCA20T / CA20T / RCA20DD / CA20DD” are valve model numbers, not kit PNs.)

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your valve body/cover design. It’s essential to verify compatibility by matching your existing kit number or your valve model stamped on the body/cover.

✔ 3/4" Pulse Valves (20-series bodies): RCA20T, CA20T, RCA20DD, CA20DD
✔ Families: F-series, T-series, DD-series 3/4" (20-size) bodies using the 5-bolt, star diaphragm

☑️ Key Features

• Restores fast opening/closing for consistent pulse strength
• Star-pattern diaphragm for reliable seating and wear distribution
• Buna-N (NBR) compound for broad compressed-air service compatibility
• Includes center hardware and spring for a complete refresh