Watts N30 - Manual

For Commercial and Residential Applications
ES-30
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IMPORTANT: INQUIRE WITH GOVERNING AUTHORITIES
FOR LOCAL INSTALLATION REQUIREMENTS
Series 30
Well System Relief Valve
Size: 1 ⁄
2
" (15mm)
Series 30 Pressure Relief Valves for wells are used to protect
against excessive pressures in well systems. These relief
valves are not diaphragm actuated and are used for pres-
sure-relief service only. For adjustable non-lever diaphragm
actuated relief or control service, see Series BP30. Series 30
consist of a bronze body construction with NPT threaded
male inlet and NPT threaded female (drain) outlet connec-
tions, stainless steel spring, and test lever. The standard
pressure setting is 75psi (5.2 bar). Optional Settings of 100,
125, and 150psi (6.9, 8.6, and 10.3 bar) are also available.
Features
• Rugged bronze body
• NPT threaded male inlet connection
• NPT threaded female (drain) outlet connection
• Stainless steel spring
• Test lever available (Model 30L, N30L, 30L-Z1)
Models
30L – with test lever
N30- less lever
N30-L
30L-Z1
Pressure Ranges
30L - standard setting: 75psi (5.2 bar)
N30 - 5-25psi (0.3-1.7 bar)
N30L - 30-50psi (2.1-3.5 bar)
30L-Z1 – 20 gpm at 10 psi over pressure (85psi)
Model 30
The Watts products shown on this page are small type relief valves.
Construction of these products does not meet the (ANSI Z21.22)
nationally recognized applicable standard.
SIZE (DN) HEIGHT WIDTH WEIGHT
Model in. mm in. mm in. mm lbs. gms.
30L 1 ⁄
2
15 4 1 ⁄
2
114 2 1 ⁄
4
57 7 ⁄
8
397
Materials
Body: Bronze
Spring: Stainless steel
Dimensions — Weight
ES-30 0645 © Watts Regulator Company, 2006
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca W a t e r S a f e t y & F l o w C o n t r o l P r o d u c t s
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without
prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.