Supplier product
Chengde Rui Mai Trading Co., Ltd.
Ductile-iron wafer valve with lever or geared operator options.
The wafer butterfly-valve page lists DN50–300, 16 bar and a temperature entry of −20 to 120°C. A GGG50 body is specified with several disc-material options. Handle and worm-gear arrangements are discussed, with EPDM and NBR appearing in the seating options; the exact seat must be selected with the operator configuration.
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 →
PTFE-seated stainless valve with several operating arrangements.
View product →