100mm / 4" Steel Drain Plug, 1/2" Outlet, Brass Wingnut & Cap 94mm - 108mm

“Double Seal” plugs can be supplied to order.
Thrustwashers fitted as standard on all plugs 9” (225mm) & above.
Zinc plated – corrosion resistant to 90 hours salt spray test.
Combines the economy of price with the strength of steel.
Carries the Horobin name – quality guaranteed.
Nominal pipe sizes, minimum & maximum pipe diameters each Plug will fit,
maximum test pressure & weight of Plug are available below

It is the responsibility of the installer / operator to make sure the maximum allowed back pressure of HOROBIN pipe stoppers are not exceeded.
Please see maximum allowed back pressures in the table below

Part No.	Pipe Size Internal Nominal Diameter		Will Fit Pipes With Internal Diameter		Minimum Insertion into Pipe	Overall length	Contact length	Diameter of waterway	Maximum allowable back pressure	Approx. Weight
Part No.	Metric	Imperial	Minimum	Maximum	Minimum Insertion into Pipe	Overall length	Contact length	Diameter of waterway	Maximum allowable back pressure	Approx. Weight
73012	40mm	1 1/2	37mm	50mm	31mm	81.5mm		1/2	30 p.s.i	0.16kg
73022	50mm	2	50mm	61mm	32.7mm	82.8mm		1/2	30 p.s.i	0.18kg
73032	65mm	2 1/2	61mm	75mm	33.2mm	80.5mm		1/2	30 p.s.i	0.26kg
73042	75mm	3	73mm	85mm	34mm	80.5mm		1/2	20 p.s.i	0.28kg
73052	89mm	3 1/2	84mm	100mm	41mm	81mm		1/2	15 p.s.i	0.36kg
73062	100mm	4	94mm	108mm	37.5mm	83.3mm		1/2	10 p.s.i	0.41kg
73072	114mm	4 1/2	110mm	125mm	40mm	83.3mm		1/2	10 p.s.i	0.58kg
73082	125mm	5	124mm	139mm	37mm	83.3mm		1/2	10 p.s.i	0.60kg
73092	150mm	6	150mm	160mm	39.7mm	83.3mm		1/2	10 p.s.i	0.75kg
73542	175mm	7	175mm	200mm	46mm	130mm		1	7 p.s.i	1.56kg
73552	200mm	8	195mm	215mm	37mm	130mm		1	7 p.s.i	1.47kg
73562	225mm	9	210mm	230mm	58mm	150mm		1	7 p.s.i	1.93kg
73572	250mm	10	245mm	260mm	55mm	150mm		1	7 p.s.i	2.55kg
73573	275mm	11	274mm	315mm	85mm	150mm		1	7 p.s.i	2.55kg
73582	300mm	12	296mm	320mm	85mm	150mm		1	7 p.s.i	3.72kg
73583	325mm	13	290mm	345mm	85mm	210mm		1	5 p.s.i.	3.47kg
73592	350mm	14	340mm	385mm	85mm	210mm		1	5 p.s.i	6.54kg
73602	375mm	15	370mm	415mm	100mm	210mm		1	5 p.s.i	7.00kg
73612	400mm	16	390mm	430mm	95mm	210mm		1	5 p.s.i	8.45kg
73622	450mm	18	448mm	495mm	100mm	220mm		1	5 p.s.i	10.6kg