Gylon 3500 Insulation Gasket Sets

QS Gasket: Fujian Gylon3500 Insulation Gasket Sets

Gylon 3500 Insulation Gasket Sets for leak-tight ASME B16.5 150# joints, supplied with G11 washers and ZPS.

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One-Minute Overview

Gylon 3500 Insulation Gasket Sets is built for a leak-tight ASME B16.5 face at 150# with a Gylon 3500 sealing element.
G11 + ZPS come as a matched set, so the insulating stack stays concentric under bolt load.
The 6 Inch bore and gasket OD are checked against the flange drawing before cutting.
Final thickness and bolt circle are confirmed per inquiry.

Leak tightness on an isolated flange depends on even compression, not just on the gasket material. Gylon 3500 Insulation Gasket Sets combines a Gylon 3500 element with G11 washers and ZPS for ASME B16.5 flanges rated 150#. The assembly is sized for 6 Inch so the sealing face and the insulating hardware work as one stack.

Name: Gylon 3500 Insulation Gasket Sets
Material: Gylon 3500
Standard: ASME B16.5
Size: 6 Inch
Pressure: 150#
Type: F
Washers: G11 + ZPS
Note: Full dimensions and bolt pattern are confirmed per inquiry.

Confirm the facing type, the 150# class and the ASME B16.5 bolt circle first, because they determine how much compressive area is available. Then check that the Gylon 3500 element suits the medium and that the 6 Inch bore leaves the pipe clear; an undersized bore creates turbulence and erodes the gasket edge.

Degrease both faces and remove all old gasket material before setting the element concentric with the bore. Bring bolts up in three cross-pattern passes, pausing between passes so the Gylon 3500 element creeps evenly. Fit sleeves square under the washers, then recheck torque after the first thermal cycle when gasket relaxation is greatest.

FAQ

Q1. What causes an isolated flange to leak after start-up?

Uneven bolt load, a damaged ASME B16.5 face or a sleeve seated at an angle are the usual causes. Creep of the Gylon 3500 element after the first heat-up also relaxes the joint, which is why a torque recheck is specified.

Q2. How is the 6 Inch bore verified before the gasket is cut?

Compare the pipe ID and the ASME B16.5 flange drawing with the proposed bore. The opening must clear the pipe without leaving an unsupported gasket ring that could extrude at 150#.

Q3. Why must the whole insulating stack come from one kit?

Mixing G11 + ZPS from different sources changes stack height and compression. A matched set keeps every bolt equally isolated and lets the Gylon 3500 element compress uniformly across the face.

Q4. What payment terms do you accept?

T/T, L/C at sight and other internationally accepted terms. The exact terms are agreed with you before production starts, because the payment schedule has to match the order value, the shipping method and the delivery schedule you need — which is also why we confirm them up front rather than after shipment.

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