Products & Services
- EnviroPressure®
  EnviroPressure®
  
  All pressure pipes are made from virgin PIPA approved raw materials and the range includes black, black with internal or external-coloured HDPE jackets or striped pipes for water or gas supply and distribution up to 3000kPa operating pressure and up to a maximum service temperature of 80°C.
  
  Applications:
  
  AgriculturalConstructionGas MainsMiningPipe JoiningPressurised DistributionProcess PlantsUnderground Utilities
- Pressure Fittings
  Pressure Fittings
  
  HDPE (PE100) pressure pipe fittings to service the mining and civil industries.
  
  Our Products:
  
  Bends & Elbows
  
  Equal Tees
  
  Tees (Reduced Branch)
  
  Y’s & Junctions
  
  Flange Connections
  
  Reducers
  
  End Caps
  
  Butterfly Valve Spacers
  
  Shouldered Ends & Couplings
  
  Threaded Fittings & Adaptors
  
  Compression Fittings
  
  Electrofusion Fittings
  
  Puddle Flanges
  
  Applications:
  
  AgriculturalConstructionGas MainsMiningPressurised DistributionProcess PlantsUnderground Utilities
- Fabrication
  Fabrication
  
  All fabrication activities — from quote to delivery — is carried out under a certified ISO 9001 management system ensuring quality and reliability of our services to you.
  
  Our Capabilities:
  
  • Fabricating and testing HDPE piping assemblies created from isometric drawings
  
  • Fabrication of couplers, special adaptors for non-pressure pipes up to 4000mm in diameter
  
  • Manufacture of special purpose HDPE fabrications for chutes, rollers, liners
  
  • Fabrication of polyethylene plate work and tanks
- EnviroStorm®
  EnviroStorm®
  
  Manufactured in Perth, Brisbane and Melbourne, these profile-walled HDPE PE100 pipes offer a high stiffness-to-weight ratio while maintaining a smooth internal surface for excellent hydraulic efficiency in gravity flow applications.
  
  Applications:
  
  Agricultural drainageLeach drainsOutfall pipelinesRail CulvertsRoad Culverts
- EnviroSewer®
  EnviroSewer®
  
  Manufactured from high-density polyethylene (PE100), EnviroSewer pipe offer outstanding resistance to hydrogen sulphide attack, abrasion and corrosion. All pipes are produced in accordance with AS/NZS 5065.
  
  Applications:
  
  Sanitary Drainage SystemsUnderground UtilitiesUtility Sewer Networks
- Drainage Pipe & Coils
  Drainage Pipe & Coils
  
  HDPE corrugated draincoils are available in 80mm, 100mm and 160mm diameters, available in both slotted and un-slotted configurations for subsurface drainage applications. Slotted pipes can be supplied with black polypropylene monofilament woven filter socks.
  
  Applications:
  
  Civil InfrastructureLandscaping and salinity preventionLeachate collectionRoad and Highway verges
- EnviroProcess-Tanks®
  EnviroProcess-Tanks®
  
  Enviropipes is a specialist manufacturer of large-diameter HDPE (PE100) tanks and silos. Using advanced spiral wound technology, we fabricate storage solutions up to 4000mm internal diameter. Combining durability, corrosion resistance and cost efficiency, our systems are ideal for hazardous liquid storage.
  
  Applications:
  
  Chemical Storage TanksSeptic TanksSewage Pumping Stations
- Stormwater Retention Systems
  Stormwater Retention Systems
  
  Enviro Pipes offers a practical, modular stormwater retention system suited for projects ranging from residential to large-scale commercial developments. Installed below ground and designed to support traffic loads above, it provides a space-efficient alternative where open basins are not economical.
  
  Why Choose Enviropipes Retention Systems?
  
  • Custom Engineered for your Site
  • Fully Underground Installation – no algal blooms, vermin, or vandalism
  • Built for Harsh Conditions – suitable for aggressive soils and coastal environments
  • Supports Vehicle Traffic – ideal for installation beneath roads, car parks, and other traffic areas
- Non-Pressure Fittings
  Non-Pressure Fittings
  
  Enviro Pipes manufactures a range of non-pressure HDPE fittings designed to suit sewerage and stormwater pipe systems. Engineered for durability and compatibility, our fittings provide reliable solutions for civil and infrastructure applications.
  
  Our Products:
  
  Junctions 45/60 Degrees
  
  Segmented Bends
  
  Equal Tee
  
  Junctions 45 Degrees (Adapted Off Take)
  
  Repair Couplings
  
  Grommet Connectors
  
  Applications:
  
  Equal TeeGrommet ConnectorsJunctionsRepair CouplingsSegmented Bends
- Tooling & Consumables
  Tooling & Consumables
  
  Enviro Pipes supplies a range of tools and consumables to support efficient pipe installation, including isopropyl alcohol wipes, scrapers, hole saws, antibacterial pipe lubricant and wrenches.
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Home>Products & Services>Pressure Fittings>Flange Connections>Stub Flanges

Stub Flanges

Contact Sales

+61 (8) 9352 8444

sales@enviropipes.com.au

Short Spigot Stub Flanges

Stub Flange short SDR17

for butt-welding PE100 (water 10bar /gas 5 bar)

de	Part Number	h	d1	d2	L
63	ST17063	14	75	95	50
75	ST17075	16	89	108	50
90	ST17090	17	105	129	80
110	ST17110	18	125	158	80
125	ST17125	18	132	158	80
140	ST17140	18	155	188	80
160	ST17160	25	168	213	90
180	ST17180	30	190	213	95
200	ST17200	30	225	270	105
225	ST17225	30	230	270	105
250	ST17250	35	284	322	105
280	ST17280	35	294	334	105
315	ST17315	35	335	380	115
355	ST17355	40	366	442	135
400	ST17400	45	420	495	135
450	ST17450	45	470	544	135
500	ST17500	60	520	596	145
560	ST17560	60	580	657	145
630	ST17630	60	650	710	155
710	ST17710	65	736	800	190
800	ST17800	80	825	937	190
900	ST17900	85	940	1044	195
1000	ST171000	95	1025	1125	200
1200	ST171200	100	1230	1325	225
1400	ST171400	100	1450	1570	225
1600	ST171600	100	1650	1780	225
1800	ST171800	110	1850	1970	225
2000	ST172000	120	2050	2200	225

*Measurements are in millimeters

*Measurements are approximate

Stub Flange short SDR11

for butt-welding PE100 (water 16bar/gas 10 bar)

de	Part Number	h	d1	d2	L
63	ST11063	14	75	95	50
75	ST11075	16	89	108	50
90	ST11090	17	105	129	80
110	ST11110	18	125	158	80
125	ST11125	25	132	158	80
140	ST11140	25	155	188	80
160	ST11160	25	168	213	90
180	ST11180	30	190	213	95
200	ST11200	30	225	270	105
225	ST11225	30	230	270	105
250	ST11250	35	284	322	105
280	ST11280	35	294	334	105
315	ST11315	35	335	380	115
355	ST11355	40	366	442	135
400	ST11400	45	420	495	135
450	ST11450	45	470	544	135
500	ST11500	60	520	596	145
560	ST11560	60	580	657	145
630	ST11630	60	650	710	155
710	ST11710	65	736	800	190
800	ST11800	80	825	937	190
900	ST11900	85	940	1044	195
1000	ST111000	95	1025	1125	200
1200	ST111200	110	1230	1325	225

*Measurements are in millimeters

*Measurements are approximate

Stub Flange short SDR9

for butt-welding PE100 (water 20 bar)

de	Part Number	h	d1	d2	L
90	ST09090	17	105	129	80
110	ST09110	18	125	158	80
125	ST09125	25	132	158	85
140	ST09140	25	155	188	85
160	ST09160	25	168	213	90
180	ST09180	30	190	213	95
200	ST09200	30	225	270	105
225	ST09225	30	230	270	105
250	ST09250	35	284	322	105
280	ST09280	35	294	334	105
315	ST09315	36	335	380	115
355	ST09355	42	366	442	135
400	ST09400	47	420	495	135
450	ST09450	52	470	544	135
500	ST09500	60	520	596	145
560	ST09560	65	580	657	145
630	ST09630	72	650	710	155
710	ST09710	80	736	800	190
800	ST09800	90	825	937	190
900	ST09900	100	940	1044	195
1000	ST091000	115	1025	1125	200

*Measurements are in millimeters

*Measurements are approximate

Stub Flange short SDR7.4

for butt-welding PE100 (water 25 bar)

de	Part Number	h	d1	d2	L
90	ST74090	17	105	129	80
110	ST74110	18	125	158	80
125	ST74125	25	132	158	85
140	ST74140	25	155	188	85
160	ST74160	25	168	213	90
180	ST74180	30	190	213	95
200	ST74200	30	225	270	105
225	ST74225	32	230	270	105
250	ST74250	35	284	322	105
280	ST74280	40	294	334	105
315	ST74315	45	335	380	115
355	ST74355	50	366	442	135
400	ST74400	55	420	495	135
450	ST74450	65	470	544	135
500	ST74500	70	520	596	145
560	ST74560	80	580	657	145
630	ST74630	86	650	710	155
710	ST74710	96	736	800	190
800	ST74800	110	825	937	190
900	ST74900	122	940	1044	195

*Measurements are in millimeters

*Measurements are approximate

Long Spigot Stub Flanges

Stub Flange long PE100

for butt-welding and electrofusion

OD	Part Number	h	l	d1	d2	L
20	EFST..020	10	45	27	41	80
25	EFST..025	10	45	33	52	80
32	EFST..032	12	50	40	62	85
40	EFST..040	12	55	48	71	90
50	EFST..050	12	60	58	80	95
63	EFST..063	14	65	75	95	100
75	EFST..075	16	75	89	108	115
90	EFST..090	17	85	105	129	125
110	EFST..110	18	90	125	158	130
125	EFST..125	25	100	132	158	150
140	EFST..140	25	105	155	188	155
160	EFST..160	25	110	168	213	170
180	EFST..180	30	115	190	213	175
200	EFST..200	30	120	225	270	190
225	EFST..225	30	130	230	270	200
250	EFST..250	35	135	284	322	205
280	EFST..280	35	150	294	334	220
315	EFST..315	35	155	335	380	230
355	EFST..355	40	165	366	442	260
400	EFST..400	45	190	420	495	285
450	EFST..450	45	200	470	544	295
500	EFST..500	60	220	520	596	325
560	EFST..560	60	240	580	657	345
630	EFST..630	60	260	650	710	370

*Measurements are in millimeters

*Measurements are approximate

Stock is SDR 11 and SDR 17

SDR 9 and SDR 7.4 upon request

Full Face Flanges are available and are made to order, please contact Enviropipes sales team with your requirements.

EnviroPressure®

Pressure Fittings

Our Products:

Fabrication

EnviroStorm®

EnviroSewer®

Drainage Pipe & Coils

EnviroProcess-Tanks®

Stormwater Retention Systems

Non-Pressure Fittings

Our Products:

Tooling & Consumables

EnviroPressure®

Pressure Fittings

Our Products:

Fabrication

EnviroStorm®

EnviroSewer®

Drainage Pipe & Coils

EnviroProcess-Tanks®

Stormwater Retention Systems

Non-Pressure Fittings

Our Products:

Tooling & Consumables

Stub Flanges

Contact Sales

Short Spigot Stub Flanges

Stub Flange short SDR17

Stub Flange short SDR11

Stub Flange short SDR9

Stub Flange short SDR7.4

Long Spigot Stub Flanges

Stub Flange long PE100

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