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3/4 In Iron Process Steam Pressure Regulator, Reduced Pressure Range 30 To 140 psi
152A-030140 3/4 - spec sheet
152A-030140 3/4 - spec sheet
Manufacturer Resources
Product Specs
- Adjustable Reduced Pressure Range:
- 30 to 140
- Body Material:
- Iron
- Buy American Act Compliant:
- No
- Inlet Connection Size:
- 3/4 IN
- Inlet Connection Type:
- Female Threaded
- Lead Free:
- No
- Maximum Working Pressure Bar:
- 14
- Maximum Working Pressure Psi:
- 200
- Minimum Temperature Celsius:
- 0.5
- Minimum Temperature Fahrenheit:
- 33
- Outlet Connection Size:
- 3/4 IN
- Outlet Connection Type:
- Female Threaded
- Valve Style:
- Standard
- Department:
- Plumbing
- Product Group:
- Plumbing
- Product Subgroup:
- Valves
- Product Type:
- Pressure Regulator
- Brand Name:
- Watts
- Product Details:
- Kit
- Gauge:
- No Gauge
Watts 152A-030140 3/4 – Frequently Asked Questions
1) What pipe size and connection type does the Watts 152A-030140 steam pressure regulator use?
The Watts 152A regulator in this configuration is 3/4 inch on both ends, female threaded inlet and outlet. So it threads onto 3/4 inch male NPT nipples or unions on each side. No flanges, no soldering, no adapters needed if your line is already 3/4 inch threaded.
2) What outlet pressure can I set this Watts steam regulator to?
Reduced (downstream) pressure is adjustable from 30 to 140 psi on the 152A-030140. If your process needs to run below 30 psi, this is the wrong range spring and you want a lower-range 152A variant instead.
3) What is the maximum inlet pressure on the Watts 152A regulator?
Maximum working pressure is 200 psi (14 bar). That is the ceiling for the valve body and supply side, and it sits well above the 140 psi top of the adjustable outlet range, so you have headroom on a typical boiler header.
4) Does this Watts 152A come with a pressure gauge?
No gauge is supplied with the 152A-030140. Since downstream pressure is adjustable across a 30 to 140 psi span, you need a gauge on the reduced side to set it, so plan on a separate steam-rated gauge and a siphon/pigtail at a tee downstream of the valve.
5) Can I use this Watts 152A regulator on potable water?
No. The 152A-030140 is an iron-body process steam regulator and is not lead free, so it is not suitable for domestic or potable water service. For drinking water pressure reduction you need a lead-free bronze water PRV, not this valve.
6) Does the Watts 152A-030140 meet Buy American Act requirements for a government job?
No. The 152A-030140 is listed as not Buy American Act compliant, so it will not satisfy a BAA or domestic-sourcing clause on a federal or state-funded project. If your spec carries that clause, you need a domestically manufactured regulator instead.
7) Which Watts part number do I order for a 3/4 inch steam PRV set between 30 and 140 psi?
Order Watts model 152A-030140 3/4. The 030140 in the number is the 30 to 140 psi reduced pressure range and the trailing 3/4 is the body size, both ends female threaded.
8) What is the lowest temperature this steam regulator is rated for?
Minimum rated temperature on the 152A is 33 F (0.5 C), essentially just above freezing. It is a process steam valve, so the practical concern is keeping condensate from freezing in an unheated space during shutdown rather than the valve itself.
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Does the Watts 152A-030140 3/4 come with a warranty?
Absolutely. The Watts 152A-030140 3/4 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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