Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1 in x 1 in, Cast Iron - Cast Iron General Purpose Pressure Regulators
SPENCECast Iron General Purpose Pressure Regulators

SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1 in x 1 in, Cast Iron

The SPENCE Pilot-Operated Pressure Regulator is a cast iron general purpose pressure regulator with NPT x NPT connections, sized 1 in x 1 in, and a pressure range of 20 psi to 150 psi (MPN E-C1E9A1B1AN1). 3G Electric…

SKU 3G-OTH-432429

Brand
SPENCE
Item
Pilot-Operated Pressure Regulator: NPT x NPT, 1 in x 1 in, Cast Iron
Category
Cast Iron General Purpose Pressure Regulators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SPENCE
Manufacturer Part Number
E-C1E9A1B1AN1
Type
1 in x 1 in, Cast Iron, 20 psi to 150 psi
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SPENCE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPENCE Pilot-Operated Pressure Regulator is a cast iron general purpose pressure regulator with NPT x NPT connections, sized 1 in x 1 in, and a pressure range of 20 psi to 150 psi (MPN E-C1E9A1B1AN1). 3G Electric interprets demand for this OEM part across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the SPENCE pilot-operated pressure regulator used for?

The SPENCE pilot-operated pressure regulator is used to reduce and stabilize steam, air, or gas pressure in industrial piping systems. It is commonly applied in process control, heating systems, and plant utility lines where precise downstream pressure regulation is required.

What are the specifications of the SPENCE E-C1E9A1B1AN1 pressure regulator?

The SPENCE E-C1E9A1B1AN1 is a pilot-operated pressure regulator with 1 in NPT x NPT connections, a cast iron body, and a pressure range of 20 psi to 150 psi. It is designed for general purpose pressure reduction in steam and fluid systems.

Where to buy the SPENCE pilot-operated pressure regulator worldwide?

You can source the SPENCE pilot-operated pressure regulator through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your facility.

How to install a SPENCE pilot-operated pressure regulator?

Install the SPENCE regulator in a horizontal pipeline with the arrow on the body matching flow direction. Ensure upstream isolation valves and a strainer are fitted. Follow standard piping practices for steam systems and reference the manufacturer's manual for pilot adjustment and venting.

Used in

Common applications for SPENCE
Steam condensate removal in industrial process heating — SPENCE inverted-bucket steam traps (e.g., 85-CPG9)
Pressure reduction for steam distribution in commercial buildings — SPENCE D50A pressure regulators
Modulating control of steam flow in heat exchangers — SPENCE pneumatic globe control valves (e.g., K1TC811-36RA)
Air venting from steam mains and headers — SPENCE NAV-213 air vents
Condensate drainage in low-pressure steam heating systems — SPENCE 81S-C1E9 steam traps with strainer

SPENCE Products

3G Electric supplies SPENCE cast iron general purpose pressure regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 2 in x 2 in, Cast Iron, 20 psi to 150 psi (MPN E-C1H9A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 2 in x 2 in, Cast Iron, 20 psi to 150 psi (MPN E-C1H9A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 3/4 in x 3/4 in, Cast Iron, 20 psi to 150 psi (MPN E-C1D9A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 3/4 in x 3/4 in, Cast Iron, 20 psi to 150 psi (MPN E-C1D9A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1 in x 1 in, Cast Iron, 10 psi to 100 psi (MPN E-C1E9A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1 in x 1 in, Cast Iron, 10 psi to 100 psi (MPN E-C1E9A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1/2 in x 1/2 in, Cast Iron, 10 psi to 100 psi (MPN E-C1C9A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1/2 in x 1/2 in, Cast Iron, 10 psi to 100 psi (MPN E-C1C9A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 3/4 in x 3/4 in, Cast Iron, 10 psi to 100 psi (MPN E-C1D9A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 3/4 in x 3/4 in, Cast Iron, 10 psi to 100 psi (MPN E-C1D9A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 2 in x 2 in, Cast Iron, 10 psi to 100 psi (MPN E-C1H9A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 2 in x 2 in, Cast Iron, 10 psi to 100 psi (MPN E-C1H9A1B1AM1). Key specifications — Brand: SPENCE.

More from SPENCE

View all SPENCE parts →
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1/2 in x 1/2 in, Cast Iron, 20 psi to 150 psi (MPN E-C1C9A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pilot-Operated Pressure Regulator: NPT x NPT, 1/2 in x 1/2 in, Cast Iron, 20 psi to 150 psi (MPN E-C1C9A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE Pressure Regulator: 125 Flange x 125 Flange, 4 in x 4 in, Cast Iron, 20 psi to 150 psi, 450°F (MPN E-C1L1A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pressure Regulator: 125 Flange x 125 Flange, 4 in x 4 in, Cast Iron, 20 psi to 150 psi, 450°F (MPN E-C1L1A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE Pressure Regulator: 250 Flange x 250 Flange, 2 1/2 in x 2 1/2 in, Cast Iron, 450°F (MPN E-C1J3A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pressure Regulator: 250 Flange x 250 Flange, 2 1/2 in x 2 1/2 in, Cast Iron, 450°F (MPN E-C1J3A1B1AN1). Key specifications — Brand: SPENCE.
SPENCE Pressure Regulator: FNPT x FNPTF, 1/2 in x 1/2 in, Iron, 30 psi to 125 psi, 33°F to 400°F (MPN D50A-C1C9W). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pressure Regulator: FNPT x FNPTF, 1/2 in x 1/2 in, Iron, 30 psi to 125 psi, 33°F to 400°F (MPN D50A-C1C9W). Key specifications — Brand: SPENCE.
SPENCE Pressure Regulator: 125 Flange x 125 Flange, 4 in x 4 in, Cast Iron, 5 psi to 50 psi, 450°F (MPN E-C1L1A1B1AK1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pressure Regulator: 125 Flange x 125 Flange, 4 in x 4 in, Cast Iron, 5 psi to 50 psi, 450°F (MPN E-C1L1A1B1AK1). Key specifications — Brand: SPENCE.
SPENCE Pressure Regulator: 125 Flange x 125 Flange, 2 1/2 in x 2 1/2 in, Cast Iron, 5 psi to 50 psi (MPN E-C1J1A1B1AK1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pressure Regulator: 125 Flange x 125 Flange, 2 1/2 in x 2 1/2 in, Cast Iron, 5 psi to 50 psi (MPN E-C1J1A1B1AK1). Key specifications — Brand: SPENCE.
SPENCE Pressure Regulator: 250 Flange x 250 Flange, 2 1/2 in x 2 1/2 in, Cast Iron, 450°F (MPN E-C1J3A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pressure Regulator: 250 Flange x 250 Flange, 2 1/2 in x 2 1/2 in, Cast Iron, 450°F (MPN E-C1J3A1B1AM1). Key specifications — Brand: SPENCE.
SPENCE Pressure Regulator: FNPT x FNPTF, 3/8 in x 3/8 in, Iron, 2 psi to 30 psi, 33°F to 400°F (MPN D50A-C1B9C). Key specifications — Brand: SPENCE.
SPENCE
SPENCE Pressure Regulator: FNPT x FNPTF, 3/8 in x 3/8 in, Iron, 2 psi to 30 psi, 33°F to 400°F (MPN D50A-C1B9C). Key specifications — Brand: SPENCE.