Recommended for heavy wall pipe and tube applications where increased axial loads are present and the potential for tube separation exists. Provides the ultimate stability while guarding against pressure leaks. Type H couplings are rated for up to 200 PSI static pressure.

Standard Features

• 4 bolt configuration
• Sizes range from 3.50” OD to 8.625” OD
• Black gaskets are abrasion resistant SBR
• White gaskets are FDA approved NBR
• Galvanized steel inner and outer sleeves
• Available with stainless steel gasket protectors
• Advanced “Eyelet” design improves conductivity
• Flanged nuts reduce installation time

Optional Features

• T304 Stainless steel construction
• White VMQ silicon gaskets for high temp applications
• Black FPM Viton gaskets for caustic environments
• Stainless steel gasket protectors
• Bar and clamp assemblies to hold connected pipe and tube in place

Literature Downloads

Boss Process Compression Coupling Overview.pdf

Boss Process H Compression Coupling Data Sheet.pdf

Size & Pricing Chart

* GP = Gasket Protector

Part Number	Size (OD)	Bolts	Gasket	GP	Units/Box	Price
50604-351410	3.50" OD	4	Black	No	Unit	$37.47
50604-351420	3.50" OD	4	White	No	Unit	$40.99
50604-401410	4.00" OD	4	Black	No	Unit	$39.46
50604-401420	4.00" OD	4	White	No	Unit	$44.04
50604-451410	4.50" OD	4	Black	No	Unit	$43.34
50604-451420	4.50" OD	4	White	No	Unit	$47.68
50604-501410	5.00" OD	4	Black	No	Unit	$46.15
50604-501420	5.00" OD	4	White	No	Unit	$51.78
50604-551410	5.563" OD	4	Black	No	Unit	$51.25
50604-551420	5.563" OD	4	White	No	Unit	$57.76
50604-601410	6.00" OD	4	Black	No	Unit	$52.25
50604-601420	6.00" OD	4	White	No	Unit	$58.35
50604-661410	6.625" OD	4	Black	No	Unit	$56.16
50604-661420	6.625" OD	4	White	No	Unit	$64.69
50604-801410	8.00" OD	4	Black	No	Unit	$66.70
50604-801420	8.00" OD	4	White	No	Unit	$87.76
50604-861420	8.625" OD	4	White	No	Unit	$94.79
50604-861410	8.625" OD	4	Black	No	Unit	$73.72
50616-351411	3.50" OD	4	Black	Yes	Unit	$40.29
50616-351421	3.50" OD	4	White	Yes	Unit	$43.80
50616-401411	4.00" OD	4	Black	Yes	Unit	$42.40
50616-401421	4.00" OD	4	White	Yes	Unit	$46.97
50616-451411	4.50" OD	4	Black	Yes	Unit	$46.39
50616-451421	4.50" OD	4	White	Yes	Unit	$50.73
50616-501411	5.00" OD	4	Black	Yes	Unit	$49.20
50616-501421	5.00" OD	4	White	Yes	Unit	$54.83
50616-551411	5.563" OD	4	Black	Yes	Unit	$54.42
50616-551421	5.563" OD	4	White	Yes	Unit	$60.93
50616-601411	6.00" OD	4	Black	Yes	Unit	$55.54
50616-601421	6.00" OD	4	White	Yes	Unit	$61.64
50616-661411	6.625" OD	4	Black	Yes	Unit	$60.74
50616-661421	6.625" OD	4	White	Yes	Unit	$64.99
50616-801411	8.00" OD	4	Black	Yes	Unit	$70.34
50616-801421	8.00" OD	4	White	Yes	Unit	$91.40
50616-861411	8.625" OD	4	Black	Yes	Unit	$77.60
50616-861421	8.625" OD	4	White	Yes	Unit	$98.66
50620-3504BN	3.50" OD	4	Black	No	Box(15 Units)	$502.92
50620-3504WN	3.50" OD	4	White	No	Box(15 Units)	$550.14
50620-3504BY	3.50" OD	4	Black	Yes	Box(15 Units)	$540.69
50620-3504WY	3.50" OD	4	White	Yes	Box(15 Units)	$587.92
50620-4004BN	4.00" OD	4	Black	No	Box(12 Units)	$423.74
50620-4004BY	4.00" OD	4	Black	Yes	Box(12 Units)	$455.22
50620-4004WN	4.00" OD	4	White	No	Box(12 Units)	$472.85
50620-4004WY	4.00" OD	4	White	Yes	Box(12 Units)	$504.33
50620-4504BN	4.50" OD	4	Black	No	Box(10 Units)	$387.75
50620-4504BY	4.50" OD	4	Black	Yes	Box(10 Units)	$415.03
50620-4504WN	4.50" OD	4	White	No	Box(10 Units)	$426.57
50620-4504WY	4.50" OD	4	White	Yes	Box(10 Units)	$453.86
50620-5004BN	5.00" OD	4	Black	No	Box(8 Units)	$330.35
50620-5004BY	5.00" OD	4	Black	Yes	Box(8 Units)	$352.17
50620-5004WN	5.00" OD	4	White	No	Box(8 Units)	$370.64
50620-5004WY	5.00" OD	4	White	Yes	Box(8 Units)	$392.47
50620-5564BN	5.563" OD	4	Black	No	Box(6 Units)	$275.15
50620-5564BY	5.563" OD	4	Black	Yes	Box(6 Units)	$292.15
50620-5564WN	5.563" OD	4	White	No	Box(6 Units)	$310.09
50620-5564WY	5.563" OD	4	White	Yes	Box(6 Units)	$327.09
50620-6004BN	6.00" OD	4	Black	No	Box(6 Units)	$280.50
50620-6004BY	6.00" OD	4	Black	Yes	Box(6 Units)	$298.13
50620-6004WN	6.00" OD	4	White	No	Box(6 Units)	$313.24
50620-6004WY	6.00" OD	4	White	Yes	Box(6 Units)	$330.87
50620-6634BN	6.625" OD	4	Black	No	Box(5 Units)	$251.27
50620-6634BY	6.625" OD	4	Black	Yes	Box(5 Units)	$271.74
50620-6634WN	6.625" OD	4	White	No	Box(5 Units)	$289.37
50620-6634WY	6.625" OD	4	White	Yes	Box(5 Units)	$290.73
50620-8004BN	8.00" OD	4	Black	No	Box(3 Units)	$179.04
50620-8004BY	8.00" OD	4	Black	Yes	Box(3 Units)	$188.79
50620-8004WN	8.00" OD	4	White	No	Box(3 Units)	$235.58
50620-8004WY	8.00" OD	4	White	Yes	Box(3 Units)	$245.34
50620-8634BN	8.625" OD	4	Black	No	Box(2 Units)	$131.93
50620-8634BY	8.625" OD	4	Black	Yes	Box(2 Units)	$138.85
50620-8634WN	8.625" OD	4	White	No	Box(2 Units)	$169.62
50620-8634WY	8.625" OD	4	White	Yes	Box(2 Units)	$176.55