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SPEARS PVC Through-Wall Fitting, 4 in Female NPT x 4 in Female Socket - PVC Through-Wall Fittings
SPEARSPVC Through-Wall Fittings

SPEARS PVC Through-Wall Fitting, 4 in Female NPT x 4 in Female Socket

The SPEARS Bulkhead Tank Fitting is a PVC through-wall fitting with a 4 in female NPT threaded inside and a 4 in female socket outside (MPN 8171-040). This PVC body fitting is designed for tank wall penetrations, and…

SKU 3G-OTH-456632

Also listed as: 8171040 · 8171 040

Brand
SPEARS
Item
PVC Through-Wall Fitting, 4 in Female NPT x 4 in Female Socket
Part Number
8171-040
Category
PVC Through-Wall Fittings
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

SPEARS
Manufacturer Part Number
8171-040
Fitting Material
PVC
Female Socket Outside
4 in
Female NPT Threaded Inside
4 in

Technical Documents

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

Product Description

The SPEARS Bulkhead Tank Fitting is a PVC through-wall fitting with a 4 in female NPT threaded inside and a 4 in female socket outside (MPN 8171-040). This PVC body fitting is designed for tank wall penetrations, and 3G Electric interprets your demand, sources the correct SPEARS part, provides a competitive quote, and supports your installation across 14 industrial departments.

Frequently Asked Questions

What is a SPEARS bulkhead tank fitting used for?

A SPEARS bulkhead tank fitting creates a sealed, leak-proof connection where pipes pass through tank walls. It is used in industrial fluid handling, water treatment, and chemical processing to mount valves, gauges, or piping into tanks, reservoirs, or vessels.

What are the specifications of the SPEARS 8171-040 bulkhead fitting?

The SPEARS 8171-040 bulkhead tank fitting has a PVC body with a 4 in female NPT threaded inside and a 4 in female socket outside. It is designed for through-wall tank penetrations and is manufactured by SPEARS.

Where to buy SPEARS bulkhead tank fittings worldwide?

3G Electric supplies SPEARS bulkhead tank fittings worldwide. We interpret your demand, source the correct part, provide a competitive quote, and handle logistics, customs, and delivery to your site across 14 industrial departments.

How to install a PVC bulkhead tank fitting?

Install a PVC bulkhead tank fitting by drilling a clean hole through the tank wall, inserting the fitting from the outside, and tightening the locknut from the inside. Use a gasket for sealing and avoid over-torquing to prevent cracking the PVC body.

Used in

Common applications for SPEARS
Chemical processing — Spears slip-socket expansion joints with EPDM bulb for thermal expansion in corrosive fluid lines
Water treatment — Spears PVC non-rising stem gate valves with socket connections for on/off flow control
Industrial piping — Spears FIPS threaded gate valves for general-purpose shutoff in water and chemical service
Pharmaceutical production — Spears PVC gate valves with polypropylene wedge for high-purity fluid handling
Power generation — Spears expansion joints for absorbing vibration and thermal movement in cooling water systems
Food and beverage — Spears PVC gate valves with socket ends for sanitary and utility water applications
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SPEARS Products

3G Electric supplies SPEARS pvc through-wall fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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