IWaverley brownall yasekwa ngo-1910 kwaye ikomkhulu layo likwi-Essex, eNgilani. Ingumboneleli wemveliso weshishini ojolise kumgangatho. Iimarike eziphambili ziquka i-United Kingdom, i-Italiya, i-Netherlands, iRashiya, njl., Ukubonelela abathengi ngemigangatho ephezulu yensimbi engenasici yokufakelwa kombhobho, iinxalenye zoxinzelelo kunye nenye.
Iimveliso ziquka iivalve zebhola, iivalve zetshekhi, iivalve zenaliti, iipayipi, njl njl. Ezi mveliso zenziwe ikakhulu ngentsimbi engenasici ye-316 kunye nezinye i-alloys zetsimbi ezikhethekileyo.
IWaverley brownall ine-BS ISO9001 kunye nesiqinisekiso seLloyds.

I-GC yasungulwa ngo-1934 kwaye ineminyaka engaphezu kwe-80 yeemveliso zensimbi ezingenasici ekuboneleleni ngemibhobho, ibonelela ngezisombululo ezichasene ne-corrosion kuyo yonke inkqubo yokulawula.
Iimveliso ziquka iivalvu zebhola, iivalvu zesango, iivalvu zeglowubhu, iivalve zetshekhi, iivalve zentsimbi engenasici, iiflanges kunye neminye imibhobho, ukukunika ezinye izisombululo zokuthengwa kweemoto.

I-ISIS yasekwa ngo-1991 kwaye ibandakanyeka ikakhulu ekwenziweni nasekuthuthweni kweevalvu zehydraulic. Iminyaka engama-30+ yomkhosi kunye notyalo-mali yenze i-ISIS yaba yenye yeengcali zevalvu yevalvu yase-UK.
Iimveliso ziquka iivalve zebhola, iivalve zebhabhathane, izisombululo zomoya, iivalve zombane, iivalve zesango, iivalve zeglowubhu, iivalve zokubuya, izixhobo, njl. njl., ezibonelela ngezisombululo zolawulo lwakho lwenkqubo.
I-ISIS ineendawo zokugcina eziphezulu, izixhobo zokusebenzela ezisetyenziselwa ukusetyenziswa komntu, uvavanyo loxinzelelo, njl.

I-Butler Valves ngumvelisi osekwe e-UK kunye nomthengisi wezinto zoshishino, ukubonelela ngeemitha, igesi kunye nezixhobo kumashishini ahlukeneyo. Iimveliso ziveliswa ngokuhambelana nemigangatho ye-BS EN ISO 9001.

Ngaphezulu kweminyaka engama-20 yamava, i-Butler Valves inokuqonda ngokunzulu iimfuno zeshishini kwaye ikunike izisombululo ezifanelekileyo zokulawula inkqubo.

IiMveliso zePipeline ngumrhwebi wemibhobho, izixhobo kunye nemibhobho kunye ne-35 + iminyaka yamava oshishino. Isisombululo sibonelela ngezisombululo kwiinkqubo zemibhobho yococeko. Umbono wabo kukuba ube ngowona mthombo uthembekileyo kwiinkqubo zemibhobho yococeko kumashishini okutya, obisi kunye notywala.
Iimveliso ziquka ukucoceka kococeko, imibhobho, izixhobo, njl.