
DIN F4 Copper-Gland Resilient-Seated Gate Valve
Copper gland construction in Tonggong’s DIN F4 gate-valve selection.
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Hebei Tonggong Fluid Equipment Co., Ltd.

Double cover construction in Tonggong’s DIN F4 gate-valve selection.
This Tonggong offering is the double-cover version within its DIN F4 soft-sealing gate-valve group. It has its own product page and photographs, separate from the copper-gland configuration. The item identity is useful when requesting the appropriate cover arrangement, dimensions and component schedule for a pipeline project.
Hebei Tonggong Fluid Equipment Co., Ltd. · Cangzhou, Hebei
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Source reviewed: 2026-11-07. This directory summary organises the supplier’s published product information.
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Copper gland construction in Tonggong’s DIN F4 gate-valve selection.
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