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SPENCE Standard Inverted-Bucket Steam Trap - Standard Inverted-Bucket Steam Traps
SPENCEStandard Inverted-Bucket Steam Traps

SPENCE Standard Inverted-Bucket Steam Trap

The SPENCE 81S-C1E9 is a cast-iron standard inverted-bucket steam trap with a 1-inch FNPT connection, rated for 1,060 lb/hr capacity at a maximum pressure of 15 psi and a maximum temperature of 450°F. It features an…

SKU 3G-OTH-71439

Also listed as: 81SC1E9 · 81S C1E9

Brand
SPENCE
Item
Standard Inverted-Bucket Steam Trap
Part Number
81S-C1E9
Category
Standard Inverted-Bucket Steam Traps
Available to Order
Also known as:81S-C1E9SPENCE
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Technical Specifications

SPENCE
Manufacturer Part Number
81S-C1E9
Type
1,060 lb/hr, Strainer Included
FNPT
1 in
Max.
15 psi
Configuration
In-line
Installation Orientation
Horizontal

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

Product Description

The SPENCE 81S-C1E9 is a cast-iron standard inverted-bucket steam trap with a 1-inch FNPT connection, rated for 1,060 lb/hr capacity at a maximum pressure of 15 psi and a maximum temperature of 450°F. It features an in-line configuration for horizontal installation and includes a built-in strainer.

Frequently Asked Questions

What is the SPENCE 81S-C1E9 steam trap used for?

The SPENCE 81S-C1E9 is a cast-iron inverted-bucket steam trap used to discharge condensate from steam lines while preventing steam loss. It is ideal for low-pressure heating systems and process applications requiring reliable, energy-efficient condensate removal at pressures up to 15 psi and temperatures up to 450°F.

What are the specifications of the SPENCE 81S-C1E9 steam trap?

The SPENCE 81S-C1E9 is a cast-iron inverted-bucket steam trap with a 1-inch FNPT connection, rated for 1,060 lb/hr capacity at 15 psi maximum pressure and 450°F maximum temperature. It has an in-line configuration for horizontal installation and includes a built-in strainer.

Where to buy the SPENCE 81S-C1E9 steam trap worldwide?

3G Electric supplies the SPENCE 81S-C1E9 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 SPENCE model to any country.

How to install the SPENCE 81S-C1E9 steam trap?

Install the SPENCE 81S-C1E9 horizontally with the inlet and outlet aligned in-line. Ensure the trap is level and the strainer is accessible for cleaning. Use pipe sealant on the FNPT threads and follow standard steam-trap piping practices to avoid water hammer and ensure proper condensate drainage.

Used in

Common applications for SPENCE
Process heating — SPENCE reverse-acting temperature regulators (e.g., 2020TD-GQD) control steam flow to maintain set temperatures in heat exchangers and jacketed vessels.
Condensate removal — SPENCE steam trap repair kit for model 4NU80 restores internal components in steam traps used for condensate removal and energy management.
Storage tank heating — SPENCE bronze temperature regulators with 1/2 in to 2 in connections modulate steam to maintain fluid temperatures in storage tanks.
HVAC and district heating — SPENCE reverse-acting regulators open on temperature drop to provide fail-safe heating in steam-based heating systems.
Industrial steam distribution — SPENCE temperature regulators and steam traps are used in steam headers and branch lines to control flow and remove condensate.
Maintenance and repair — SPENCE repair kits and replacement parts support planned maintenance programs for steam traps and regulators in continuous process plants.
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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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Cast iron inverted-bucket steam trap for horizontal in-line installation. 1-1/2 inch FNPT connections, maximum capacity 9,800 lb/hr, maximum pressure 30 psi. Strainer not included. Used to automatically drain condensate from steam lines while preventing steam loss
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