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SPENCE Steam Trap: Cast Iron, 1/2 in FNPT, 760 lb/hr, 250 psi Max., 450°F Max. - Standard Inverted-Bucket Steam Traps
SPENCEStandard Inverted-Bucket Steam Traps

SPENCE Steam Trap: Cast Iron, 1/2 in FNPT, 760 lb/hr, 250 psi Max., 450°F Max.

The SPENCE 81S-CSC9 is a standard inverted-bucket steam trap made of cast iron, configured for in-line horizontal installation with 1/2-inch FNPT connections. It has a maximum capacity of 760 lb/hr, a maximum…

SKU 3G-OTH-71563

Also listed as: 81SCSC9 · 81S CSC9

Brand
SPENCE
Item
Steam Trap: Cast Iron, 1/2 in FNPT, 760 lb/hr, 250 psi Max., 450°F Max.
Category
Standard Inverted-Bucket Steam Traps
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SPENCE
Manufacturer Part Number
81S-CSC9
Type
760 lb/hr, Strainer Included
FNPT
1/2 in
Max.
250 psi
Configuration
In-line
Installation Orientation
Horizontal

Technical Documents

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

Product Description

The SPENCE 81S-CSC9 is a standard inverted-bucket steam trap made of cast iron, configured for in-line horizontal installation with 1/2-inch FNPT connections. It has a maximum capacity of 760 lb/hr, a maximum pressure of 250 psi, and a maximum temperature of 450°F, and includes a built-in strainer.

Frequently Asked Questions

What is the SPENCE 81S-CSC9 steam trap used for?

The SPENCE 81S-CSC9 is a standard inverted-bucket steam trap designed to drain condensate from steam lines while preventing steam loss. It is commonly used in industrial steam systems requiring reliable, energy-efficient condensate removal, such as in process heating, heat exchangers, and steam distribution networks.

What are the specifications of the SPENCE 81S-CSC9 steam trap?

The SPENCE 81S-CSC9 is a cast iron, in-line horizontal steam trap with 1/2-inch FNPT connections. It has a maximum capacity of 760 lb/hr, maximum pressure of 250 psi, and maximum temperature of 450°F. It includes a built-in strainer and is configured for horizontal installation.

Where to buy the SPENCE 81S-CSC9 steam trap worldwide?

3G Electric supplies the SPENCE 81S-CSC9 steam trap worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this model to any country.

How to install the SPENCE 81S-CSC9 steam trap?

Install the SPENCE 81S-CSC9 in a horizontal orientation with the inlet and outlet aligned in-line. Ensure the built-in strainer is clean before installation. Use pipe sealant on the 1/2-inch FNPT connections and follow standard steam trap installation practices to avoid water hammer and ensure proper condensate drainage.

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 standard inverted-bucket steam traps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Steam Trap: Cast Iron, 1 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max., Strainer Included (MPN 81S-C9E9)
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