CLA-VAL 90-01 Pressure Reducing Valve | 90-01ADS

  • CLA-VAL 90-01 Pressure Reducing Valve | 90-01ADS

Available Options

  • Price$1,857.00

  • Free Shipping Within Contiguous USA

Cla-Val Model 90-01ADS KC Pressure Reducing Valve with Check Valves and Epoxy Coating. 30-300 PSI. Ductile Iron Body, Bronze Trim. Angle or Globe Pattern. Screwed (Threaded) or 150# Class Flanged. Sizes 1-1/4" to 4".

For other 90-01 sizes and configurations, please contact us for a quote!

The listed 90-01ADS models usually ship in 1-2 business days from Cla-Val.

The 90-01 automatically reduces inlet pressure to a steady lower downstream pressure. When downstream pressure exceeds pressure setting on the pilot, the main valve and pilot valve close drip-tight. The included check feature prevents return flow.

90-01ADS Booster Package Pressure Reducing Valves include fusion bonded epoxy coating. This coating is resistant to various water conditions, certain acids, chemicals, solvents and alkalies. Epoxy coating is applied in accordance with AWWA coating specifications C116-03 and is NSF 61 Listed and FDA approved.

Model: 90-01ADSKC (90-01BDYKC for 4")
Uses 100-01 Hytrol main valve
1" - 3" Pilot System Includes: X58C Restriction Fitting, CRD Pressure Reducing Control, X46A Flow Clean Strainer, Inline Check Valves with Isolation Valve, CV Opening Flow Control
4" Pilot System Includes: X58 Restriction Fitting, CRD Pressure Reducing Control, CK2 Isolation Valve, Check Valves with Isolation Valve, X43 Y Strainer
Pattern: Globe or Angle
Connection: Threaded or 150 Class Flanged
Adj. Range: 30-300 PSI
Materials: Ductile Iron Body (Epoxy Coated), Bronze Trim

  • Sensitive and Accurate Pressure Control
  • Easy Adjustment and Maintenance
  • Tamper Resistant
  • Optional Check Feature Included
  • Fully Supported Frictionless Diaphragm
  • Meets National Lead Reduction Mandate


 Cla-Val 90-01 Data Sheet
 Cla-Val 90-01 Quick Manual
 Cla-Val 90-01 Technical IOM Manual

Cla-Val 90-01 Repair Kits

Includes CRD Diaphragm, CRD Plug Gasket, CRD Disc Retainer, Main Valve Disc, Main Valve Diaphragm, and Spacer Washers.

 1-1/4" & 1-1/2" 8155001E
 2" 20957481F
 2-1/2" 20957482E
 3" 20957483D
 4" 20957484C
 6" 20957485B
 8" 20957486A
 10" 20957487K
 12" 20957488J
 14" 20957489H
 16" 20957490E

Model 690-01 is a reduced port valve and uses repair kits sized one step down from 90-01 (ie 4" 690-01 uses 3" 90-01 repair kit).

For other Cla-Val 90-01 replacement parts, please enter part numbers in the search bar above or contact us for assistance!


Allied Controls is a factory authorized Cla-Val distributor and nationwide dealer for Cla-Val Waterworks and Fire Protection products.