Series 536

PresCal™ HP, High flow pressure reducing valve (sweat, low range)

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Product Description

High flow pressure reducing valve (sweat, low range)
High performance piston type pressure reducing valve designed for demanding damage a diaphragm type PRV.
Perfect for pressure spikes are present that would damage a diaphragm type PRV.
Perfect for irrigation systems and outdoor locations in moderate non-freezing climates.

Technical data

Maximum operating pressure: 300 psi
Medium temperature range: 35.6–180 °F
Adjustment pressure range: 10–90 psi

Certifications

ES LOW LEAD
Buy American Act
California HSC 116875
Maryland HB372
United States S.3874
Vermont Act 193
IPC
IRC
UPC
CSA B356
ASSE 1003
NSF/ANSI/CAN 61
NSF/ANSI/CAN 372

Drawings and specifications

Part number Connection Minimum flow rate Maximum flow rate
3D models
Tender text
CALEFFI, 536044A 109, PresCal™ HP. High flow pressure reducing valve (sweat, low range) High performance piston type pressure reducing valve designed for demanding damage a diaphragm type PRV. Perfect for pressure spikes are present that would damage a diaphragm type PRV. Perfect for irrigation systems and outdoor locations in moderate non-freezing climates. connection: 1/2" PRS, sweat. Maximum operating pressure: 300 psi. Medium temperature range: 35.6–180 °F. Adjustment pressure range: 10–90 psi. Minimum flow rate: 1.2 gpm. Maximum flow rate: 7.3 gpm.
3D models
Tender text
CALEFFI, 536054A 109, PresCal™ HP. High flow pressure reducing valve (sweat, low range) High performance piston type pressure reducing valve designed for demanding damage a diaphragm type PRV. Perfect for pressure spikes are present that would damage a diaphragm type PRV. Perfect for irrigation systems and outdoor locations in moderate non-freezing climates. connection: 3/4" PRS, sweat. Maximum operating pressure: 300 psi. Medium temperature range: 35.6–180 °F. Adjustment pressure range: 10–90 psi. Minimum flow rate: 2.1 gpm. Maximum flow rate: 12.5 gpm.
3D models
Tender text
CALEFFI, 536064A 109, PresCal™ HP. High flow pressure reducing valve (sweat, low range) High performance piston type pressure reducing valve designed for demanding damage a diaphragm type PRV. Perfect for pressure spikes are present that would damage a diaphragm type PRV. Perfect for irrigation systems and outdoor locations in moderate non-freezing climates. connection: 1" PRS, sweat. Maximum operating pressure: 300 psi. Medium temperature range: 35.6–180 °F. Adjustment pressure range: 10–90 psi. Minimum flow rate: 3.2 gpm. Maximum flow rate: 19 gpm.
3D models
Tender text
CALEFFI, 536074A 109, PresCal™ HP. High flow pressure reducing valve (sweat, low range) High performance piston type pressure reducing valve designed for demanding damage a diaphragm type PRV. Perfect for pressure spikes are present that would damage a diaphragm type PRV. Perfect for irrigation systems and outdoor locations in moderate non-freezing climates. connection: 1 1/4" PRS, sweat. Maximum operating pressure: 300 psi. Medium temperature range: 35.6–180 °F. Adjustment pressure range: 10–90 psi. Minimum flow rate: 5.3 gpm. Maximum flow rate: 34 gpm.
3D models
Tender text
CALEFFI, 536084A 109, PresCal™ HP. High flow pressure reducing valve (sweat, low range) High performance piston type pressure reducing valve designed for demanding damage a diaphragm type PRV. Perfect for pressure spikes are present that would damage a diaphragm type PRV. Perfect for irrigation systems and outdoor locations in moderate non-freezing climates. connection: 1 1/2" PRS, sweat. Maximum operating pressure: 300 psi. Medium temperature range: 35.6–180 °F. Adjustment pressure range: 10–90 psi. Minimum flow rate: 7.3 gpm. Maximum flow rate: 44 gpm.

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