
F4 Non-Rising Stem Gate Valve-L
Resilient gate-valve variant with an F4 face-to-face reference.
View product →Supplier product
Chengde Rui Mai Trading Co., Ltd.

PTFE-seated stainless valve with several operating arrangements.
Rui Mai’s stainless wafer butterfly-valve entry lists DN50–300 at PN16 with a temperature range of −20 to 200°C. SS304, SS316 and SS316L are included as body and disc material options, and PTFE is named for the seat. The operator choices discussed are handle, worm gear and electric actuation.
Chengde Rui Mai Trading Co., Ltd. · Chengde, Hebei
View the supplier’s original product page
Source reviewed: 2026-11-07. This directory summary organises the supplier’s published product information.
Back to company product center
Resilient gate-valve variant with an F4 face-to-face reference.
View product →
WCB-body gate valve with graphite packing and a published GOST drilling reference.
View product →F4 gate valve with a silicone-based resilient sealing arrangement.
View product →
Non-rising-stem water isolation valve with PN10/16 options.
View product →
Ductile-iron wafer valve with lever or geared operator options.
View product →