• Square Penstock
• Channel Gate
• Handstops
• Flap Valve
• Knife Gate Valve
• Gate Valve
• Butterfly Valve (F2600)
• Butterfly Valve (F2800)
• Butterfly Valve (F2210)
• Butterfly Valve (F2230)
• Swing Check Valve

General Information

Design Standard: Manufacturer’s Standard, 2PCS BODY DESIGN

Testing Standard: DIN EN12266-1

Size: DN50-DN300

Pressure Rating: PN1 / PN3 / PN6 / PN10

Connecting: Wafer Flange

Unique Features

2pcs body design, ensure F3900 series knife gate valves can be sealed in bi-direction, no flow direction requirement.

Chamber U-clamp seal, carbon steel reinforced, which ensure our knife gate valves have very long service life, even under high working pressure.

Gate rail for full sizes, our valves can be used for regulating application

Low operating forces even at maximum operational pressure

Simple replacement of the seal without removing the gate valve from the pipeline

Upon to request, polished gates are available

Main Materials

Item	Materials
Body	Ductile Iron: GGG50 (DIN1639), Cast Steel: WCB (ASTM A216) Stainless Steel: CF8, CF8M, CF3M (ASTM A351)
Disc	Stainless Steel: SS410, SS304, SS316, SS316L
Stem Nut	Aluminum Bronze
Stem	Stainless Steel: SS410, SS420, SS304, SS316
U Type Seal	Carbon Steel Wrapped with NBR, EPDM or VITON
Gasket	NBR, EPDM or VITON
Bolts	Stainless Steel

Operation

Overall Dimensions

Valve Size	L	H1	H2	W
DN50/2"	43	75	305	200
DN65/2.5"	46	85	326	200
DN80/3"	46	95	365	200
DN100/4"	52	106	399	250
DN125/5"	56	118	452	250
DN150/6"	56	132	498	250
DN200/8"	60	162	575	300
DN250/10"	68	185	700	350
DN300/12"	78	213	815	400

Note: Connecting flanges drilled to EN092/BS4504/ANSI B16.5, special flanges upon to request.