We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
SPENCE Steam Trap: Cast Iron, 3/4 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, 3/4 in FNPT, 760 lb/hr, 250 psi Max., 450°F Max.

The SPENCE 81S-CSD9 is a standard inverted-bucket steam trap made of cast iron, configured for in-line horizontal installation with 3/4-inch FNPT connections. It has a maximum capacity of 760 lb/hr, a maximum…

SKU 3G-OTH-71538

Brand
SPENCE
Item
Steam Trap: Cast Iron, 3/4 in FNPT, 760 lb/hr, 250 psi Max., 450°F Max.
Category
Standard Inverted-Bucket Steam Traps
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
81S-CSD9
Type
760 lb/hr, Strainer Included
FNPT
3/4 in
Max.
250 psi
Configuration
In-line
Installation Orientation
Horizontal
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 81S-CSD9 is a standard inverted-bucket steam trap made of cast iron, configured for in-line horizontal installation with 3/4-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.

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.

You might also need

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

Similar products

Matched by specification & description
Steam Trap: Cast Iron, 3/4 in FNPT, 690 lb/hr, 20 psi Max., 450°F Max., Strainer Included (MPN 80S-C2D9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 3/4 in FNPT, 690 lb/hr, 20 psi Max., 450°F Max., Strainer Included (MPN 80S-C2D9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 3/4 in FNPT, 570 lb/hr, 150 psi Max., 450°F Max., Strainer Included (MPN 80S-CND9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 3/4 in FNPT, 570 lb/hr, 150 psi Max., 450°F Max., Strainer Included (MPN 80S-CND9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1 in FNPT, 950 lb/hr, 70 psi Max., 450°F Max., Strainer Included (MPN 81S-C7E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1 in FNPT, 950 lb/hr, 70 psi Max., 450°F Max., Strainer Included (MPN 81S-C7E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1 in FNPT, 1,060 lb/hr, 15 psi Max., 450°F Max., Strainer Included (MPN 81S-C1E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1 in FNPT, 1,060 lb/hr, 15 psi Max., 450°F Max., Strainer Included (MPN 81S-C1E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1 in FNPT, 1,000 lb/hr, 30 psi Max., 450°F Max., Strainer Included (MPN 81S-C4E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1 in FNPT, 1,000 lb/hr, 30 psi Max., 450°F Max., Strainer Included (MPN 81S-C4E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1/2 in FNPT, 690 lb/hr, 20 psi Max., 450°F Max., Strainer Included (MPN 80S-C2C9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1/2 in FNPT, 690 lb/hr, 20 psi Max., 450°F Max., Strainer Included (MPN 80S-C2C9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.

More from SPENCE

View all SPENCE parts →
Steam Trap: Cast Iron, 1 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max., Strainer Included (MPN 81S-C9E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max., Strainer Included (MPN 81S-C9E9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 3/4 in FNPT, 680 lb/hr, 125 psi Max., 450°F Max., Strainer Included (MPN 80S-C9D9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 3/4 in FNPT, 680 lb/hr, 125 psi Max., 450°F Max., Strainer Included (MPN 80S-C9D9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1 1/2 in FNPT, 11,000 lb/hr, 130 psi Max., 450°F Max., Strainer Not Included (MPN 85-CMG9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1 1/2 in FNPT, 11,000 lb/hr, 130 psi Max., 450°F Max., Strainer Not Included (MPN 85-CMG9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1 1/2 in FNPT, 9,800 lb/hr, 30 psi Max., 450°F Max., Strainer Not Included (MPN 85-C4G9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1 1/2 in FNPT, 9,800 lb/hr, 30 psi Max., 450°F Max., Strainer Not Included (MPN 85-C4G9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1/2 in FNPT, 570 lb/hr, 150 psi Max., 450°F Max., Strainer Included (MPN 80S-CNC9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1/2 in FNPT, 570 lb/hr, 150 psi Max., 450°F Max., Strainer Included (MPN 80S-CNC9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 1/2 in FNPT, 680 lb/hr, 125 psi Max., 450°F Max., Strainer Included (MPN 80S-C9C9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 1/2 in FNPT, 680 lb/hr, 125 psi Max., 450°F Max., Strainer Included (MPN 80S-C9C9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 2 in FNPT, 11,000 lb/hr, 130 psi Max., 450°F Max., Strainer Not Included (MPN 85-CMH9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 2 in FNPT, 11,000 lb/hr, 130 psi Max., 450°F Max., Strainer Not Included (MPN 85-CMH9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
Steam Trap: Cast Iron, 3/4 in FNPT, 690 lb/hr, 80 psi Max., 450°F Max., Strainer Included (MPN 80S-C8D9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.
SPENCE
Steam Trap: Cast Iron, 3/4 in FNPT, 690 lb/hr, 80 psi Max., 450°F Max., Strainer Included (MPN 80S-C8D9). Key specifications — Installation Orientation: Horizontal; Brand: SPENCE; Configuration: In-line.