Ana amfani da maƙallan V-Band - wanda aka fi sani da V-Clamps - akai-akai a kasuwar motoci masu nauyi da kuma masu aiki saboda ƙarfin rufewa mai ƙarfi. Maƙallan V-Band hanya ce ta ɗaurewa mai nauyi ga bututu masu lanƙwasa iri-iri. Maƙallan V-Band da haɗin V-Band sun fi yawa kuma an san su a duk faɗin masana'antar saboda ƙarfi da juriya. Ana kuma samun maƙallan V-Band a aikace-aikace da yawa na masana'antu saboda suna da matuƙar juriya ga tsatsa a cikin mawuyacin yanayi.
Ka'idar haɗin V na matsewa

Ana matse maƙallin bututun V Band da ƙusoshi don samar da ƙarfin F (na al'ada) akan saman hulɗar flange da maƙallin mai siffar V. Ta hanyar kusurwar da aka haɗa da siffa ta V, ƙimar ƙarfin tana canzawa zuwa F (axial) da F (radi).
F (axial) shine ƙarfin da ke matse flanges ɗin. Wannan ƙarfin yana tafiya zuwa gasket ɗin da ke tsakanin flanges ɗin don matse gasket ɗin da kuma samar da aikin rufewa.
Riba:
Saboda aikin da aka yi a saman flange a ƙarshen biyu, ana iya samun ƙaramin adadin zubewa (0.1l/min a 0.3 bar)
Shigarwa yana da matukar dacewa
Rashin amfani:
Domin ana buƙatar a yi amfani da flange ɗin, farashin ya fi girma
2. Ɗaya daga ƙarshen an yi masa machined flange, ɗayan ƙarshen kuma an yi masa bell mouth tube, kuma tsakiya shine ƙarfe gasket

Riba:
Tunda ƙarshen ɗaya bututu ne da aka ƙera, farashin yana da arha sosai
Idan aka haɗa ƙarshen biyu, ana iya barin wani kusurwa na musamman
Rashin amfani:
Yawan ɗigon ruwa<0.5l/min a 0.3 bar)