JW Controlling, Venting, Sealing of Liquids and Gases
JW Industrial Flow Control & Sealing Solutions | Freer Tool
JW Winco components for controlling, venting, and sealing liquids and gases are machine elements used to seal ports, equalize pressure, and manage venting on tanks, gearboxes, reservoirs, manifolds, and industrial enclosures (application dependent). These parts are commonly used to help prevent leaks, reduce pressure buildup, and support safer, cleaner operation in fluid-handling and pneumatic/hydraulic-adjacent applications. Because performance depends on the thread, seal style, and material, selecting the right vent or plug is primarily a specification-driven decision.
Special modifications available:
- Threads
- colors
- kitting, packaging, and labeling
Fluid level sight glasses, fluid level indicators, sight glasses, and fill/drain plugs are also referred to as:
JW WINCO 11PLE7/RF EN543.2-18-3/4-NPT-A-SW OIL LEVEL SIGHT GLASS,PLASTIC, BLACK WITH REFLECTOR (NPT)
SKU: JW-11PLE7/RF
MPN: 11PLE7/RF
JW WINCO 125GQA4 EN546-38-G11/4 DOME SHAPED OIL SIGHT GLASS
SKU: JW-125GQA4
MPN: 125GQA4
JW WINCO 1GPCB EN546.1-31-G1 DOME SHAPED OIL SIGHT GLASS TP
SKU: JW-1GPCB
MPN: 1GPCB
JW WINCO 1GQA3 EN546-31-G1 DOME SHAPED OIL SIGHT GLASS
SKU: JW-1GQA3
MPN: 1GQA3
JW WINCO 1PLE8/RF EN543.2-23-1-NPT-A-SW OIL LEVEL SIGHT GLASS,PLASTIC, BLACK WITH REFLECTOR (NPT)
SKU: JW-1PLE8/RF
MPN: 1PLE8/RF
JW WINCO 38GQA0 EN546-15-G3/8 DOME SHAPED OIL SIGHT GLASS
SKU: JW-38GQA0
MPN: 38GQA0
JW WINCO 50GPCB EN546.1-19-G1/2 DOME SHAPED OIL SIGHT GLASS TP
SKU: JW-50GPCB
MPN: 50GPCB
JW WINCO 50GQA1 EN546-19-G1/2DOME SHAPED OIL SIGHT GLASS
SKU: JW-50GQA1
MPN: 50GQA1
JW WINCO 541-19-11/16X12-A EN541-19-1 1/16X12-A OIL LEVEL INDICATOR W/REFLECTOR
SKU: JW-541-19-11/16X12-A
MPN: 541-19-11/16X12-A
JW WINCO 543.2-23-G1-A-SW EN543.2-23-G1 (BSP) OIL LEVEL SIGHT GLASS,PLASTIC,BLACK WITH REFLECTOR
SKU: JW-543.2-23-G1-A-SW
MPN: 543.2-23-G1-A-SW
JW WINCO 543.2-30-G11/4-A-SW EN543.2-30-G1-1/4 (BSP) OIL LEVEL SIGHT GLASS,PLASTIC, BLACK WITH REFLECTOR
SKU: JW-543.2-30-G11/4-A-SW
MPN: 543.2-30-G11/4-A-SW
JW WINCO 543.2-40-G2-A-RT EN543.2-40-G2 (BSP) OIL LEVEL SIGHT GLASS,PLASTIC, RED WITH REFLECTOR
SKU: JW-543.2-40-G2-A-RT
MPN: 543.2-40-G2-A-RT
JW WINCO 743-32-G11/2-A GN743-32-G1-1/2-A HEAT RESISTANT OIL SIGHT GLASS ALUMINUM W/REFLECTOR
SKU: JW-743-32-G11/2-A
MPN: 743-32-G11/2-A
JW WINCO 743-32-G11/4-A GN743-32-G1-1/4-A HEAT RESISTANT OIL SIGHT GLASS ALUMINUM W/REFLECTOR
SKU: JW-743-32-G11/4-A
MPN: 743-32-G11/4-A
JW WINCO 743-32-G11/4-B GN743-32-G1-1/4-B HEAT RESISTANT OIL SIGHT GLASS ALUMINUM W/O REFLECTOR
SKU: JW-743-32-G11/4-B
MPN: 743-32-G11/4-B
JW WINCO 743.3-11-G3/8-B GN743.3-11-G 3/8-B OIL SIGHT GLASS BRASS ESG GLASS W/O REFLECTOR
SKU: JW-743.3-11-G3/8-B
MPN: 743.3-11-G3/8-B
JW WINCO 743.3-14-M20X1.5-A GN743.3-14-M20-1.5-A OIL SIGHT GLASS BRASS ESG GLASS W/REFLECTOR
SKU: JW-743.3-14-M20X1.5-A
MPN: 743.3-14-M20X1.5-A
JW WINCO 743.3-18-M26X1.5-A GN743.3-18-M26-1.5-A OIL SIGHT GLASS BRASS ESG GLASS W/REFLECTOR
SKU: JW-743.3-18-M26X1.5-A
MPN: 743.3-18-M26X1.5-A
JW WINCO 75GPCB EN546.1-25-G3/4 DOME SHAPED OIL SIGHT GLASS TP
SKU: JW-75GPCB
MPN: 75GPCB
JW WINCO 75GQA2 EN546-25-G3/4 DOME SHAPED OIL SIGHT GLASS
SKU: JW-75GQA2
MPN: 75GQA2
JW WINCO 8PLE6/RF EN543.2-15-1/2-NPT-A-SW OIL LEVEL SIGHT GLASS,PLASTIC, BLACK WITH REFLECTOR (NPT)
SKU: JW-8PLE6/RF
MPN: 8PLE6/RF
JW WINCO EN541-11-G3/8-A OIL LEVEL INDICATOR W/REFLECTOR
SKU: JW-541-11-G3/8-A
MPN: 541-11-G3/8-A
JW WINCO EN541-11-M16X1.5-A OIL LEVEL INDICATOR W/REFLECTOR
SKU: JW-541-11-M16X1.5-A
MPN: 541-11-M16X1.5-A
JW WINCO EN541-13-3/4X16-A OIL LEVEL INDICATOR W/REFLECTOR
SKU: JW-541-13-3/4X16-A
MPN: 541-13-3/4X16-A