Search 53 Tongfa-manufactured products by pipe material, repair location, diameter range, and model number.
If you only know the site problem, start with a product family. Use the filters below when you already have pipe material, DN, OD, or NPS.
Emergency leak repair on pipe barrels, joints, fittings, and flanges
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Pressurized branch drilling without service shutdown
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Pipe cutting during emergency repair or planned replacement
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Branch connection hardware for tapping and bypass work
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Pipe connection, transition, compensation, and flange adaptation
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Pipeline isolation and soft-seal valve applications
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Sizing, extension, and sealing accessories
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Municipal access chamber covers — ductile iron, anti-subsidence, and smart IoT models
Browse family → H80, H80+, H100 +24 For emergency repair of socket joints on ductile iron and grey cast iron pipes. Full range DN80 to DN1600.
H100FK, H150FK, H200FK +8 For repair of tee, elbow socket joints on DI pipes, or where space is limited. DN100 to DN1000.
CX80, CX100, CX150 +12 For repair of sleeve joints on DI and grey cast iron pipes. DN80 to DN1200.
H50×300, H65×300, H80×200 +62 For repair of straight pipe sections on DI and grey cast iron pipes. DN50 to DN1600, various lengths.
P50-63FK, P63-75FK, P75-90FK +6 For repair where space is limited on plastic pipe tee, elbow, socket joints. OD50 to OD470.
P20, P25, P32 +10 For repair of socket joints and welded joints on PE, PVC, PPR plastic pipes. OD20 to OD800.
CXP63, CXP110, CXP160 +6 Emergency repair clamp for socket and sleeve joints on PE, PVC, and PPR plastic pipe. Outer diameter 63–630 mm.
P50×160, P50×300, P63×200 +32 For repair of straight pipe sections on PE, PVC, PPR plastic pipes. OD50 to OD1000.
P50×200, P63×200, P75×200 +9 Both ends incorporate evenly distributed gripping points to prevent the clamp from sliding or dislodging under pipeline pressure or vibration. Outer diameter 50–315 mm.
GH80, GH65, GH50 +6 Professional flanged repair clamp for pipe repair and replacement.
P50, P63, P75 +8 Compact slim-profile repair clamp for welded joints on PE pipe. Outer diameter 50–315 mm.
P20, P25, P32 +9 For repair of equal tee joints on PE, PVC, PPR pipes. OD20 to OD400.
P50×25S, P50×32S, P50×40S +14 For repair of reducing tee joints on plastic pipes. Main OD50-315, branch OD25-200.
P20, P25, P32 +13 For repair of 90° elbow joints on PE, PVC, PPR pipes. OD20 to OD400.
P50W-45°, P63W-45°, P75W-45° +6 Repair clamp for 45° elbows on PE, PVC, and PPR plastic pipe. Outer diameter OD50–OD315.
Z100, Z150, Z200 +20 For repair of socket joints on self-stressed and pre-stressed concrete pipes. DN100 to DN2000.
Z100×1000, Z100×300, Z100×500 +14 Professional straight repair clamp for concrete pipe for pipe repair and replacement.
D20-20, DN20×100-20, H20×100 +27 For repair of galvanized steel pipe joints and straight sections. NBR seal available for gas lines. DN15 to DN100.
″½, ″¾, ″1 +6 Fully sealed construction with NBR rubber gasket for emergency repair of gas and natural-gas pipelines. Covers DN15–DN100.
D15S, ″½, D20S +15 Fully sealed construction with NBR rubber gasket for emergency repair of tee joints on galvanized steel pipe. Suitable for gas and natural-gas service.
D15W, ″½, D20W +15 Fully sealed construction with NBR rubber gasket for emergency repair of elbow joints on galvanized steel pipe. Suitable for gas and natural-gas service.
D15H, D20H, D25H +6 Fully sealed construction for emergency repair of union joints on galvanized steel pipe. NBR rubber option is suitable for natural-gas service.
GH125×200, GH125×500, GH700×1000 +9 For repair of straight sections on steel pipes. DN125 to DN1400.
DN400*155, DN400*255, DN450*155 +75 Stainless steel single/double/triple band repair clamp for all pipe types. Available in 150-1000mm lengths. CR-1 (single) for under DN300, CR-2 (double) for DN300+, CR-3 (triple) for DN600+.
DN400*155, DN400*255, DN450*155 +77 For leak repair and pipe connection on straight pipe sections. Available in standard and extended lengths.
P63x50Y, P75x50Y, P75x63Y +26 For connecting two different diameter pipes. Enables repair when replacing damaged section with a different size pipe.
Catalog range For repair of coupling/clamp joints on DI and cast iron pipes. On-line leak repair without shutdown.
MH100, MH150, MH200 +4 Full-seal repair clamp with NBR (nitrile rubber) gasket specifically designed for gas and natural gas pipelines. Covers straight pipe, tee, elbow, and union joints. DN15 to DN100.
½", ¾", 1" +6 Repair clamp for stopping leaks at 90° elbow joints on galvanized steel pipe. Clamshell design fits over the elbow without disassembly. DN40–DN200.
½", ¾", 1" +6 Repair clamp for stopping leaks at tee (T-joint) sections on galvanized steel pipe. Three-part clamshell design fits over the tee without disassembly. DN40–DN200.
DK6-200, DK6-200C, DK6-300E +3 Electric tapping machine for pressurized drilling without stopping pipeline flow. For water, oil, and chemical industries. DN80 to DN600.
DK8-300, DK8-600, DK8-800 Heavy-duty electric tapping machine for steel and DI pipes. DN100 to DN800.
ZG2-50 Manual drilling machine for pressurized tapping. Bore range DN20 to DN50.
ZG2-100 cutter DN80, ZG2-100 cutter DN100 Manual drilling machine for live (under-pressure) tapping of branch lines on cast iron, concrete, and plastic pipe. Tapping range DN80–DN100.
MZ4-2 Live hot-tap drilling and threading machine for cast-iron and ductile-iron mains. Tapping range ø15–ø50 mm.
WDG4-1 Universal pipe cutting machine with diamond blade. Can cut underwater. OD400 to OD2400.
YGJ1-1 Hydraulic pipe cutting machine with carbide blade. Can cut underwater. DN300 to DN1200.
SGJ100-200, SGJ200-300 Manual pipe cutting machine with alloy blade for cast iron pipes. DN100 to DN300.
DN80×80, DN100×100, DN100×80 +47 Saddle clamp for branch connections on DI pipes. Used with tapping machine. Main DN80-DN1400, branch DN80-DN600.
DN80×300-80, DN100×250-100, DN100×300-100 +36 Full-seal haff-type saddle clamp for branch connections. DN80 to DN800.
Catalog range Saddle clamp for adding branch lines onto concrete (cement) pipe; used in combination with a tapping machine. Branch DN100–DN300, main DN100–DN600.
P110×100, P110×80, P140×100 +22 Saddle clamp for branch connections on plastic pipes. Used with tapping machine. OD90-800.
P90×300-80, P90×500-80, P110×300-100 +40 Professional haff style saddle clamp for plastic pipe for pipe repair and replacement.
DN80×50, DN100×50, DN150×50 +2 Compact saddle clamp for adding a DN50 small-diameter branch on cast-iron mains; used with the ZG2-100 tapping machine. Covers main DN80–DN800.
P40×20, P50×20, P63×25 +8 Compact saddle clamp for adding DN25 or DN50 small-diameter branches on plastic pipe; outer diameter 47–504 mm. Used with the ZG2-50/100 tapping machine.
DN50, DN65, DN80 +17 One end socket connection, one end flange connection. For connecting pipes to flanged equipment. DN50 to DN1200. Blue anti-pull ring for PE, red for cast iron.
DN100, DN150, DN200 +9 Both ends socket connection with anti-pull-out feature. For connecting various pipe materials. DN100 to DN1000.
DN100, DN150, DN200 +5 360° rotating ball compensates up to 10° pipe alignment angle. DN100 to DN600.
DN100 (双法兰传力伸缩器), DN100 (双法兰限位伸缩器), DN125 (双法兰传力伸缩器) +29 Double flanged expansion joint for installation error compensation. Standard: Q235 carbon steel, seamless pipe under DN300, epoxy coated. Standard bolts 4.8 grade, premium 8.8 grade. DN100 to DN1200.
DN32, DN40, DN50 +13 Rubber flexible joint for vibration dampening, noise reduction and angle compensation. DN32 to DN600.
弯头承口连接器 DN100, 弯头承口连接器 DN150, 弯头承口连接器 DN200 Universal elbow (90°/45°), equal tee, and cross connectors for joining DI, cast iron, steel, PE, and PVC pipes. Ideal for branch connections and pipeline layout changes without welding.
DN100×50, DN100×80, DN150×50 +3 Reducing universal connector for joining pipes of different diameters and materials. Accommodates DI, cast iron, steel, PE, PVC, and concrete pipe. No special tools required.
DN15, DN20, DN25 +6 Threaded double-socket joint for connecting two pipe ends from both directions. Suitable for DI, cast iron, steel, and PE pipe. Threaded clamping for secure, leak-free connections.
螺纹式单承口内牙 DN15, 螺纹式单承口内牙 DN20, 螺纹式单承口内牙 DN25 +11 Threaded single-socket connector with male (外牙) or female (内牙) thread end for connecting pipe to threaded valves, hydrants, or other threaded fittings. DN40–DN300.
DN100, DN150, DN200 +5 Single-socket seismic connector with angular deflection capability for pipelines in earthquake-prone zones or areas with ground settlement. Absorbs vibration and differential movement.
DN80×50, DN100×50, DN150×50 +3 Multi-purpose flange adapter for connecting pipes of various materials and ODs to standard flanged valves, pumps, or equipment. No machining required; accommodates OD tolerances.
DN100, DN150, DN200 +2 Anti-pullout restrained flange adapter with locking grips that prevent axial separation under thrust loads. For push-fit and unrestrained pipe joints in water and gas distribution.
DN50, DN80, DN100 +7 Single-socket mechanical end cap (blind plug) for terminating open pipe ends on DI, cast iron, PE, and PVC pipelines. Quick installation without welding or special tools.
Z100, Z150, Z200 +6 Single-socket flange connector for joining concrete (cement) pipe to flanged equipment, valves, or metal piping. Ideal for water mains using self-stressed or asbestos-cement pipe.
JZ15X-10Q, CY15X-10Q, Z15X-10Q Gate valve series including inspection port, single socket, and threaded types. DN15 to DN300.
DN50, DN65, DN80 +9 Non-rising stem gate valve with full rubber wrapped gate for excellent sealing. Space-saving design. DN50 to DN500.
P90, H80, P110 +15 Connects multiple repair clamps when pipe damage exceeds single clamp length.
100mm×1.5mm, 100mm×2mm, 100mm×5mm For non-standard pipe OD compensation. Width 100mm, thickness 1.5/2/5mm, 10m per roll.
Spring/Autumn type, Winter type, Summer type Emergency pipe leak blocking agent. 10L per bucket. For quick temporary sealing of pipeline leaks.
DN50, DN65, DN80 +9 EPDM rubber full-face and ring-type flange gaskets compatible with PN10/PN16 flanges for water, gas, and chemical service. Chemical-resistant, ozone-resistant, temperature range –40°C to +120°C.
DN600/700/800 Round ductile iron manhole cover and frame for municipal water supply, sewage, gas, and telecom access chambers. Load class A15 to D400 (EN 124). Anti-theft locking options available.
DN600/700 Anti-subsidence adjustable manhole cover system with height-adjustable frame. Prevents road surface damage from ground settlement. Height adjustment range 50–150mm. For busy traffic roads and highway applications.
600×600 / 700×700 / 800×800 Square ductile iron manhole cover and frame for utility access chambers. Clear opening 600×600 to 800×800 mm. Load class B125 to D400. Anti-slip surface patterns available.
Various Ductile iron covers for water meter inspection boxes in sidewalks and low-traffic areas. Various sizes to fit DN15–DN50 and DN80–DN100 water meters. Load class A15 to B125.
DN600/700 Smart manhole cover with integrated IoT sensors for real-time monitoring: lid status (open/closed/tilted), water level, gas concentration, and GPS location. Wireless NB-IoT/LoRa data transmission for smart city and smart water utility management.
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